Home / 354,070.15-531,262.20-185,550.43

Finding the Fourth Proportional to 354,070.15, 531,262.20 and 185,550.43

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Solution

The fourth proportional to 354,070.15, 531,262.20 and 185,550.43 is: 278,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,070.15 : 531,262.20 = 185,550.43 : x
  2. Step 2: Convert to fraction form
    354,070.15/531,262.20 = 185,550.43/x
  3. Step 3: Cross multiply
    354,070.15x = 531,262.20 × 185,550.43
  4. Step 4: Simplify right side
    354,070.15x = 98,575,929,652.75
  5. Step 5: Solve for x
    x = 98,575,929,652.75/354,070.15
  6. Step 6: Final answer
    x = 278,407.91

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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.