Home / 342,553.12-513,933.44-242,905.92

Finding the Fourth Proportional to 342,553.12, 513,933.44 and 242,905.92

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Solution

The fourth proportional to 342,553.12, 513,933.44 and 242,905.92 is: 364,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,553.12 : 513,933.44 = 242,905.92 : x
  2. Step 2: Convert to fraction form
    342,553.12/513,933.44 = 242,905.92/x
  3. Step 3: Cross multiply
    342,553.12x = 513,933.44 × 242,905.92
  4. Step 4: Simplify right side
    342,553.12x = 124,837,475,061.97
  5. Step 5: Solve for x
    x = 124,837,475,061.97/342,553.12
  6. Step 6: Final answer
    x = 364,432.46

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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.