Home / 487,038.52-672,102.01-272,198.58

Finding the Fourth Proportional to 487,038.52, 672,102.01 and 272,198.58

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Solution

The fourth proportional to 487,038.52, 672,102.01 and 272,198.58 is: 375,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,038.52 : 672,102.01 = 272,198.58 : x
  2. Step 2: Convert to fraction form
    487,038.52/672,102.01 = 272,198.58/x
  3. Step 3: Cross multiply
    487,038.52x = 672,102.01 × 272,198.58
  4. Step 4: Simplify right side
    487,038.52x = 182,945,209,025.89
  5. Step 5: Solve for x
    x = 182,945,209,025.89/487,038.52
  6. Step 6: Final answer
    x = 375,627.80

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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.