Home / 539,029.20-808,546.20-139,641.60

Finding the Fourth Proportional to 539,029.20, 808,546.20 and 139,641.60

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Solution

The fourth proportional to 539,029.20, 808,546.20 and 139,641.60 is: 209,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,029.20 : 808,546.20 = 139,641.60 : x
  2. Step 2: Convert to fraction form
    539,029.20/808,546.20 = 139,641.60/x
  3. Step 3: Cross multiply
    539,029.20x = 808,546.20 × 139,641.60
  4. Step 4: Simplify right side
    539,029.20x = 112,906,685,041.92
  5. Step 5: Solve for x
    x = 112,906,685,041.92/539,029.20
  6. Step 6: Final answer
    x = 209,463.02

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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.