Home / 487,060.52-672,164.28-272,200.58

Finding the Fourth Proportional to 487,060.52, 672,164.28 and 272,200.58

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Solution

The fourth proportional to 487,060.52, 672,164.28 and 272,200.58 is: 375,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,060.52 : 672,164.28 = 272,200.58 : x
  2. Step 2: Convert to fraction form
    487,060.52/672,164.28 = 272,200.58/x
  3. Step 3: Cross multiply
    487,060.52x = 672,164.28 × 272,200.58
  4. Step 4: Simplify right side
    487,060.52x = 182,963,505,510.28
  5. Step 5: Solve for x
    x = 182,963,505,510.28/487,060.52
  6. Step 6: Final answer
    x = 375,648.40

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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.