Home / 487,252.98-672,423.93-272,402.10

Finding the Fourth Proportional to 487,252.98, 672,423.93 and 272,402.10

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Solution

The fourth proportional to 487,252.98, 672,423.93 and 272,402.10 is: 375,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,252.98 : 672,423.93 = 272,402.10 : x
  2. Step 2: Convert to fraction form
    487,252.98/672,423.93 = 272,402.10/x
  3. Step 3: Cross multiply
    487,252.98x = 672,423.93 × 272,402.10
  4. Step 4: Simplify right side
    487,252.98x = 183,169,690,622.25
  5. Step 5: Solve for x
    x = 183,169,690,622.25/487,252.98
  6. Step 6: Final answer
    x = 375,923.18

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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.