Home / 372,127.43-513,574.02-219,213.74

Finding the Fourth Proportional to 372,127.43, 513,574.02 and 219,213.74

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Solution

The fourth proportional to 372,127.43, 513,574.02 and 219,213.74 is: 302,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,127.43 : 513,574.02 = 219,213.74 : x
  2. Step 2: Convert to fraction form
    372,127.43/513,574.02 = 219,213.74/x
  3. Step 3: Cross multiply
    372,127.43x = 513,574.02 × 219,213.74
  4. Step 4: Simplify right side
    372,127.43x = 112,582,482,974.97
  5. Step 5: Solve for x
    x = 112,582,482,974.97/372,127.43
  6. Step 6: Final answer
    x = 302,537.45

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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.