Home / 372,879.23-514,549.12-219,882.35

Finding the Fourth Proportional to 372,879.23, 514,549.12 and 219,882.35

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Solution

The fourth proportional to 372,879.23, 514,549.12 and 219,882.35 is: 303,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,879.23 : 514,549.12 = 219,882.35 : x
  2. Step 2: Convert to fraction form
    372,879.23/514,549.12 = 219,882.35/x
  3. Step 3: Cross multiply
    372,879.23x = 514,549.12 × 219,882.35
  4. Step 4: Simplify right side
    372,879.23x = 113,140,267,216.27
  5. Step 5: Solve for x
    x = 113,140,267,216.27/372,879.23
  6. Step 6: Final answer
    x = 303,423.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.