Home / 284,116.26-392,068.98-156,790.20

Finding the Fourth Proportional to 284,116.26, 392,068.98 and 156,790.20

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Solution

The fourth proportional to 284,116.26, 392,068.98 and 156,790.20 is: 216,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,116.26 : 392,068.98 = 156,790.20 : x
  2. Step 2: Convert to fraction form
    284,116.26/392,068.98 = 156,790.20/x
  3. Step 3: Cross multiply
    284,116.26x = 392,068.98 × 156,790.20
  4. Step 4: Simplify right side
    284,116.26x = 61,472,573,788.00
  5. Step 5: Solve for x
    x = 61,472,573,788.00/284,116.26
  6. Step 6: Final answer
    x = 216,364.15

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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.