Home / 372,949.20-558,111.60-341,456.40

Finding the Fourth Proportional to 372,949.20, 558,111.60 and 341,456.40

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Solution

The fourth proportional to 372,949.20, 558,111.60 and 341,456.40 is: 510,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,949.20 : 558,111.60 = 341,456.40 : x
  2. Step 2: Convert to fraction form
    372,949.20/558,111.60 = 341,456.40/x
  3. Step 3: Cross multiply
    372,949.20x = 558,111.60 × 341,456.40
  4. Step 4: Simplify right side
    372,949.20x = 190,570,777,734.24
  5. Step 5: Solve for x
    x = 190,570,777,734.24/372,949.20
  6. Step 6: Final answer
    x = 510,983.21

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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.