Home / 291,747.61-402,651.17-170,937.12

Finding the Fourth Proportional to 291,747.61, 402,651.17 and 170,937.12

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Solution

The fourth proportional to 291,747.61, 402,651.17 and 170,937.12 is: 235,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,747.61 : 402,651.17 = 170,937.12 : x
  2. Step 2: Convert to fraction form
    291,747.61/402,651.17 = 170,937.12/x
  3. Step 3: Cross multiply
    291,747.61x = 402,651.17 × 170,937.12
  4. Step 4: Simplify right side
    291,747.61x = 68,828,031,364.43
  5. Step 5: Solve for x
    x = 68,828,031,364.43/291,747.61
  6. Step 6: Final answer
    x = 235,916.35

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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.