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Finding the Fourth Proportional to 487,735.89, 673,101.68 and 272,863.14

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Solution

The fourth proportional to 487,735.89, 673,101.68 and 272,863.14 is: 376,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,735.89 : 673,101.68 = 272,863.14 : x
  2. Step 2: Convert to fraction form
    487,735.89/673,101.68 = 272,863.14/x
  3. Step 3: Cross multiply
    487,735.89x = 673,101.68 × 272,863.14
  4. Step 4: Simplify right side
    487,735.89x = 183,664,636,579.76
  5. Step 5: Solve for x
    x = 183,664,636,579.76/487,735.89
  6. Step 6: Final answer
    x = 376,565.76

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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.