Home / 387,040.90-534,116.97-217,276.24

Finding the Fourth Proportional to 387,040.90, 534,116.97 and 217,276.24

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Solution

The fourth proportional to 387,040.90, 534,116.97 and 217,276.24 is: 299,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,040.90 : 534,116.97 = 217,276.24 : x
  2. Step 2: Convert to fraction form
    387,040.90/534,116.97 = 217,276.24/x
  3. Step 3: Cross multiply
    387,040.90x = 534,116.97 × 217,276.24
  4. Step 4: Simplify right side
    387,040.90x = 116,050,926,961.79
  5. Step 5: Solve for x
    x = 116,050,926,961.79/387,040.90
  6. Step 6: Final answer
    x = 299,841.51

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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.