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Finding the Fourth Proportional to 292,035.82, 438,050.80 and 92,356.24

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Solution

The fourth proportional to 292,035.82, 438,050.80 and 92,356.24 is: 138,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,035.82 : 438,050.80 = 92,356.24 : x
  2. Step 2: Convert to fraction form
    292,035.82/438,050.80 = 92,356.24/x
  3. Step 3: Cross multiply
    292,035.82x = 438,050.80 × 92,356.24
  4. Step 4: Simplify right side
    292,035.82x = 40,456,722,857.63
  5. Step 5: Solve for x
    x = 40,456,722,857.63/292,035.82
  6. Step 6: Final answer
    x = 138,533.43

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1.5x scale

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.