Home / 372,812.10-559,176.30-102,978.60

Finding the Fourth Proportional to 372,812.10, 559,176.30 and 102,978.60

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Solution

The fourth proportional to 372,812.10, 559,176.30 and 102,978.60 is: 154,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,812.10 : 559,176.30 = 102,978.60 : x
  2. Step 2: Convert to fraction form
    372,812.10/559,176.30 = 102,978.60/x
  3. Step 3: Cross multiply
    372,812.10x = 559,176.30 × 102,978.60
  4. Step 4: Simplify right side
    372,812.10x = 57,583,192,527.18
  5. Step 5: Solve for x
    x = 57,583,192,527.18/372,812.10
  6. Step 6: Final answer
    x = 154,456.34

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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.