Home / 354,077.15-531,272.73-185,557.41

Finding the Fourth Proportional to 354,077.15, 531,272.73 and 185,557.41

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Solution

The fourth proportional to 354,077.15, 531,272.73 and 185,557.41 is: 278,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,077.15 : 531,272.73 = 185,557.41 : x
  2. Step 2: Convert to fraction form
    354,077.15/531,272.73 = 185,557.41/x
  3. Step 3: Cross multiply
    354,077.15x = 531,272.73 × 185,557.41
  4. Step 4: Simplify right side
    354,077.15x = 98,581,590,854.64
  5. Step 5: Solve for x
    x = 98,581,590,854.64/354,077.15
  6. Step 6: Final answer
    x = 278,418.40

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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.