Home / 539,432.21-809,279.73-179,602.40

Finding the Fourth Proportional to 539,432.21, 809,279.73 and 179,602.40

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Solution

The fourth proportional to 539,432.21, 809,279.73 and 179,602.40 is: 269,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,432.21 : 809,279.73 = 179,602.40 : x
  2. Step 2: Convert to fraction form
    539,432.21/809,279.73 = 179,602.40/x
  3. Step 3: Cross multiply
    539,432.21x = 809,279.73 × 179,602.40
  4. Step 4: Simplify right side
    539,432.21x = 145,348,577,732.95
  5. Step 5: Solve for x
    x = 145,348,577,732.95/539,432.21
  6. Step 6: Final answer
    x = 269,447.35

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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.