Home / 442,729.41-610,963.61-251,742.75

Finding the Fourth Proportional to 442,729.41, 610,963.61 and 251,742.75

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Solution

The fourth proportional to 442,729.41, 610,963.61 and 251,742.75 is: 347,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,729.41 : 610,963.61 = 251,742.75 : x
  2. Step 2: Convert to fraction form
    442,729.41/610,963.61 = 251,742.75/x
  3. Step 3: Cross multiply
    442,729.41x = 610,963.61 × 251,742.75
  4. Step 4: Simplify right side
    442,729.41x = 153,805,658,072.61
  5. Step 5: Solve for x
    x = 153,805,658,072.61/442,729.41
  6. Step 6: Final answer
    x = 347,403.30

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1.5x scale

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.