Home / 539,035.04-808,549.20-139,674.80

Finding the Fourth Proportional to 539,035.04, 808,549.20 and 139,674.80

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Solution

The fourth proportional to 539,035.04, 808,549.20 and 139,674.80 is: 209,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,035.04 : 808,549.20 = 139,674.80 : x
  2. Step 2: Convert to fraction form
    539,035.04/808,549.20 = 139,674.80/x
  3. Step 3: Cross multiply
    539,035.04x = 808,549.20 × 139,674.80
  4. Step 4: Simplify right side
    539,035.04x = 112,933,947,800.16
  5. Step 5: Solve for x
    x = 112,933,947,800.16/539,035.04
  6. Step 6: Final answer
    x = 209,511.33

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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.