Home / 372,110.90-558,166.35-355,003.70

Finding the Fourth Proportional to 372,110.90, 558,166.35 and 355,003.70

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Solution

The fourth proportional to 372,110.90, 558,166.35 and 355,003.70 is: 532,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,110.90 : 558,166.35 = 355,003.70 : x
  2. Step 2: Convert to fraction form
    372,110.90/558,166.35 = 355,003.70/x
  3. Step 3: Cross multiply
    372,110.90x = 558,166.35 × 355,003.70
  4. Step 4: Simplify right side
    372,110.90x = 198,151,119,465.50
  5. Step 5: Solve for x
    x = 198,151,119,465.50/372,110.90
  6. Step 6: Final answer
    x = 532,505.55

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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.