Home / 521,283.20-781,939.40-184,276.24

Finding the Fourth Proportional to 521,283.20, 781,939.40 and 184,276.24

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Solution

The fourth proportional to 521,283.20, 781,939.40 and 184,276.24 is: 276,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,283.20 : 781,939.40 = 184,276.24 : x
  2. Step 2: Convert to fraction form
    521,283.20/781,939.40 = 184,276.24/x
  3. Step 3: Cross multiply
    521,283.20x = 781,939.40 × 184,276.24
  4. Step 4: Simplify right side
    521,283.20x = 144,092,852,539.86
  5. Step 5: Solve for x
    x = 144,092,852,539.86/521,283.20
  6. Step 6: Final answer
    x = 276,419.52

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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.