Home / 214,319.43-321,479.13-74,001.51

Finding the Fourth Proportional to 214,319.43, 321,479.13 and 74,001.51

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Solution

The fourth proportional to 214,319.43, 321,479.13 and 74,001.51 is: 111,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,319.43 : 321,479.13 = 74,001.51 : x
  2. Step 2: Convert to fraction form
    214,319.43/321,479.13 = 74,001.51/x
  3. Step 3: Cross multiply
    214,319.43x = 321,479.13 × 74,001.51
  4. Step 4: Simplify right side
    214,319.43x = 23,789,941,053.49
  5. Step 5: Solve for x
    x = 23,789,941,053.49/214,319.43
  6. Step 6: Final answer
    x = 111,002.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.