Home / 284,741.47-393,042.17-163,930.90

Finding the Fourth Proportional to 284,741.47, 393,042.17 and 163,930.90

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Solution

The fourth proportional to 284,741.47, 393,042.17 and 163,930.90 is: 226,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,741.47 : 393,042.17 = 163,930.90 : x
  2. Step 2: Convert to fraction form
    284,741.47/393,042.17 = 163,930.90/x
  3. Step 3: Cross multiply
    284,741.47x = 393,042.17 × 163,930.90
  4. Step 4: Simplify right side
    284,741.47x = 64,431,756,666.05
  5. Step 5: Solve for x
    x = 64,431,756,666.05/284,741.47
  6. Step 6: Final answer
    x = 226,281.60

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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.