Home / 539,615.02-809,424.98-140,227.50

Finding the Fourth Proportional to 539,615.02, 809,424.98 and 140,227.50

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Solution

The fourth proportional to 539,615.02, 809,424.98 and 140,227.50 is: 210,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,615.02 : 809,424.98 = 140,227.50 : x
  2. Step 2: Convert to fraction form
    539,615.02/809,424.98 = 140,227.50/x
  3. Step 3: Cross multiply
    539,615.02x = 809,424.98 × 140,227.50
  4. Step 4: Simplify right side
    539,615.02x = 113,503,641,382.95
  5. Step 5: Solve for x
    x = 113,503,641,382.95/539,615.02
  6. Step 6: Final answer
    x = 210,341.89

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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.