Home / 372,211.40-558,317.10-355,104.20

Finding the Fourth Proportional to 372,211.40, 558,317.10 and 355,104.20

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Solution

The fourth proportional to 372,211.40, 558,317.10 and 355,104.20 is: 532,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,211.40 : 558,317.10 = 355,104.20 : x
  2. Step 2: Convert to fraction form
    372,211.40/558,317.10 = 355,104.20/x
  3. Step 3: Cross multiply
    372,211.40x = 558,317.10 × 355,104.20
  4. Step 4: Simplify right side
    372,211.40x = 198,260,747,141.82
  5. Step 5: Solve for x
    x = 198,260,747,141.82/372,211.40
  6. Step 6: Final answer
    x = 532,656.30

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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.