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Finding the Fourth Proportional to 292,841,388.16, 438,807,947.88 and 169,714,313.44

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Solution

The fourth proportional to 292,841,388.16, 438,807,947.88 and 169,714,313.44 is: 254,308,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,841,388.16 : 438,807,947.88 = 169,714,313.44 : x
  2. Step 2: Convert to fraction form
    292,841,388.16/438,807,947.88 = 169,714,313.44/x
  3. Step 3: Cross multiply
    292,841,388.16x = 438,807,947.88 × 169,714,313.44
  4. Step 4: Simplify right side
    292,841,388.16x = 74,471,989,606,469,504
  5. Step 5: Solve for x
    x = 74,471,989,606,469,504/292,841,388.16
  6. Step 6: Final answer
    x = 254,308,279.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.