Home / 284,228.55-392,242.53-161,714.18

Finding the Fourth Proportional to 284,228.55, 392,242.53 and 161,714.18

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Solution

The fourth proportional to 284,228.55, 392,242.53 and 161,714.18 is: 223,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,228.55 : 392,242.53 = 161,714.18 : x
  2. Step 2: Convert to fraction form
    284,228.55/392,242.53 = 161,714.18/x
  3. Step 3: Cross multiply
    284,228.55x = 392,242.53 × 161,714.18
  4. Step 4: Simplify right side
    284,228.55x = 63,431,180,687.11
  5. Step 5: Solve for x
    x = 63,431,180,687.11/284,228.55
  6. Step 6: Final answer
    x = 223,169.63

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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.