Home / 284,297.04-392,319.45-156,969.90

Finding the Fourth Proportional to 284,297.04, 392,319.45 and 156,969.90

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Solution

The fourth proportional to 284,297.04, 392,319.45 and 156,969.90 is: 216,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,297.04 : 392,319.45 = 156,969.90 : x
  2. Step 2: Convert to fraction form
    284,297.04/392,319.45 = 156,969.90/x
  3. Step 3: Cross multiply
    284,297.04x = 392,319.45 × 156,969.90
  4. Step 4: Simplify right side
    284,297.04x = 61,582,344,834.56
  5. Step 5: Solve for x
    x = 61,582,344,834.56/284,297.04
  6. Step 6: Final answer
    x = 216,612.68

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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.