Home / 521,281.97-781,987.34-184,253.12

Finding the Fourth Proportional to 521,281.97, 781,987.34 and 184,253.12

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Solution

The fourth proportional to 521,281.97, 781,987.34 and 184,253.12 is: 276,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,281.97 : 781,987.34 = 184,253.12 : x
  2. Step 2: Convert to fraction form
    521,281.97/781,987.34 = 184,253.12/x
  3. Step 3: Cross multiply
    521,281.97x = 781,987.34 × 184,253.12
  4. Step 4: Simplify right side
    521,281.97x = 144,083,603,746.20
  5. Step 5: Solve for x
    x = 144,083,603,746.20/521,281.97
  6. Step 6: Final answer
    x = 276,402.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.