Home / 284,267.22-392,287.66-156,941.88

Finding the Fourth Proportional to 284,267.22, 392,287.66 and 156,941.88

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Solution

The fourth proportional to 284,267.22, 392,287.66 and 156,941.88 is: 216,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,267.22 : 392,287.66 = 156,941.88 : x
  2. Step 2: Convert to fraction form
    284,267.22/392,287.66 = 156,941.88/x
  3. Step 3: Cross multiply
    284,267.22x = 392,287.66 × 156,941.88
  4. Step 4: Simplify right side
    284,267.22x = 61,566,362,861.20
  5. Step 5: Solve for x
    x = 61,566,362,861.20/284,267.22
  6. Step 6: Final answer
    x = 216,579.19

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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.