Home / 284,724.74-392,909.18-170,022.66

Finding the Fourth Proportional to 284,724.74, 392,909.18 and 170,022.66

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Solution

The fourth proportional to 284,724.74, 392,909.18 and 170,022.66 is: 234,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,724.74 : 392,909.18 = 170,022.66 : x
  2. Step 2: Convert to fraction form
    284,724.74/392,909.18 = 170,022.66/x
  3. Step 3: Cross multiply
    284,724.74x = 392,909.18 × 170,022.66
  4. Step 4: Simplify right side
    284,724.74x = 66,803,463,071.91
  5. Step 5: Solve for x
    x = 66,803,463,071.91/284,724.74
  6. Step 6: Final answer
    x = 234,624.73

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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.