Home / 449,252.28-619,963.38-245,302.56

Finding the Fourth Proportional to 449,252.28, 619,963.38 and 245,302.56

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Solution

The fourth proportional to 449,252.28, 619,963.38 and 245,302.56 is: 338,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,252.28 : 619,963.38 = 245,302.56 : x
  2. Step 2: Convert to fraction form
    449,252.28/619,963.38 = 245,302.56/x
  3. Step 3: Cross multiply
    449,252.28x = 619,963.38 × 245,302.56
  4. Step 4: Simplify right side
    449,252.28x = 152,078,604,220.25
  5. Step 5: Solve for x
    x = 152,078,604,220.25/449,252.28
  6. Step 6: Final answer
    x = 338,514.93

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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.