Home / 487,219.15-672,377.44-272,368.27

Finding the Fourth Proportional to 487,219.15, 672,377.44 and 272,368.27

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Solution

The fourth proportional to 487,219.15, 672,377.44 and 272,368.27 is: 375,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,219.15 : 672,377.44 = 272,368.27 : x
  2. Step 2: Convert to fraction form
    487,219.15/672,377.44 = 272,368.27/x
  3. Step 3: Cross multiply
    487,219.15x = 672,377.44 × 272,368.27
  4. Step 4: Simplify right side
    487,219.15x = 183,134,276,757.94
  5. Step 5: Solve for x
    x = 183,134,276,757.94/487,219.15
  6. Step 6: Final answer
    x = 375,876.60

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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.