Home / 384,947.88-577,422.12-104,465.13

Finding the Fourth Proportional to 384,947.88, 577,422.12 and 104,465.13

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Solution

The fourth proportional to 384,947.88, 577,422.12 and 104,465.13 is: 156,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,947.88 : 577,422.12 = 104,465.13 : x
  2. Step 2: Convert to fraction form
    384,947.88/577,422.12 = 104,465.13/x
  3. Step 3: Cross multiply
    384,947.88x = 577,422.12 × 104,465.13
  4. Step 4: Simplify right side
    384,947.88x = 60,320,476,830.68
  5. Step 5: Solve for x
    x = 60,320,476,830.68/384,947.88
  6. Step 6: Final answer
    x = 156,697.78

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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.