Home / 539,033.04-808,546.20-139,672.80

Finding the Fourth Proportional to 539,033.04, 808,546.20 and 139,672.80

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Solution

The fourth proportional to 539,033.04, 808,546.20 and 139,672.80 is: 209,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,033.04 : 808,546.20 = 139,672.80 : x
  2. Step 2: Convert to fraction form
    539,033.04/808,546.20 = 139,672.80/x
  3. Step 3: Cross multiply
    539,033.04x = 808,546.20 × 139,672.80
  4. Step 4: Simplify right side
    539,033.04x = 112,931,911,683.36
  5. Step 5: Solve for x
    x = 112,931,911,683.36/539,033.04
  6. Step 6: Final answer
    x = 209,508.33

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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.