Home / 539,036.04-808,550.70-139,675.80

Finding the Fourth Proportional to 539,036.04, 808,550.70 and 139,675.80

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Solution

The fourth proportional to 539,036.04, 808,550.70 and 139,675.80 is: 209,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,036.04 : 808,550.70 = 139,675.80 : x
  2. Step 2: Convert to fraction form
    539,036.04/808,550.70 = 139,675.80/x
  3. Step 3: Cross multiply
    539,036.04x = 808,550.70 × 139,675.80
  4. Step 4: Simplify right side
    539,036.04x = 112,934,965,863.06
  5. Step 5: Solve for x
    x = 112,934,965,863.06/539,036.04
  6. Step 6: Final answer
    x = 209,512.83

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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.