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Finding the Fourth Proportional to 292,553.88, 403,732.32 and 165,248.40

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Solution

The fourth proportional to 292,553.88, 403,732.32 and 165,248.40 is: 228,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,553.88 : 403,732.32 = 165,248.40 : x
  2. Step 2: Convert to fraction form
    292,553.88/403,732.32 = 165,248.40/x
  3. Step 3: Cross multiply
    292,553.88x = 403,732.32 × 165,248.40
  4. Step 4: Simplify right side
    292,553.88x = 66,716,119,908.29
  5. Step 5: Solve for x
    x = 66,716,119,908.29/292,553.88
  6. Step 6: Final answer
    x = 228,047.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.