Home / 372,820.20-514,460.26-209,463.91

Finding the Fourth Proportional to 372,820.20, 514,460.26 and 209,463.91

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Solution

The fourth proportional to 372,820.20, 514,460.26 and 209,463.91 is: 289,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,820.20 : 514,460.26 = 209,463.91 : x
  2. Step 2: Convert to fraction form
    372,820.20/514,460.26 = 209,463.91/x
  3. Step 3: Cross multiply
    372,820.20x = 514,460.26 × 209,463.91
  4. Step 4: Simplify right side
    372,820.20x = 107,760,857,599.22
  5. Step 5: Solve for x
    x = 107,760,857,599.22/372,820.20
  6. Step 6: Final answer
    x = 289,042.43

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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.