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Finding the Fourth Proportional to 292,736.20, 437,901.44 and 233,687.20

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Solution

The fourth proportional to 292,736.20, 437,901.44 and 233,687.20 is: 349,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,736.20 : 437,901.44 = 233,687.20 : x
  2. Step 2: Convert to fraction form
    292,736.20/437,901.44 = 233,687.20/x
  3. Step 3: Cross multiply
    292,736.20x = 437,901.44 × 233,687.20
  4. Step 4: Simplify right side
    292,736.20x = 102,331,961,389.57
  5. Step 5: Solve for x
    x = 102,331,961,389.57/292,736.20
  6. Step 6: Final answer
    x = 349,570.57

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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.