Home / 372,002.20-557,960.10-105,803.80

Finding the Fourth Proportional to 372,002.20, 557,960.10 and 105,803.80

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Solution

The fourth proportional to 372,002.20, 557,960.10 and 105,803.80 is: 158,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,002.20 : 557,960.10 = 105,803.80 : x
  2. Step 2: Convert to fraction form
    372,002.20/557,960.10 = 105,803.80/x
  3. Step 3: Cross multiply
    372,002.20x = 557,960.10 × 105,803.80
  4. Step 4: Simplify right side
    372,002.20x = 59,034,298,828.38
  5. Step 5: Solve for x
    x = 59,034,298,828.38/372,002.20
  6. Step 6: Final answer
    x = 158,693.41

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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.