Home / 487,197.32-672,333.19-272,337.26

Finding the Fourth Proportional to 487,197.32, 672,333.19 and 272,337.26

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Solution

The fourth proportional to 487,197.32, 672,333.19 and 272,337.26 is: 375,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,197.32 : 672,333.19 = 272,337.26 : x
  2. Step 2: Convert to fraction form
    487,197.32/672,333.19 = 272,337.26/x
  3. Step 3: Cross multiply
    487,197.32x = 672,333.19 × 272,337.26
  4. Step 4: Simplify right side
    487,197.32x = 183,101,374,729.15
  5. Step 5: Solve for x
    x = 183,101,374,729.15/487,197.32
  6. Step 6: Final answer
    x = 375,825.91

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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.