Home / 251,880.68-347,491.02-149,885.72

Finding the Fourth Proportional to 251,880.68, 347,491.02 and 149,885.72

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Solution

The fourth proportional to 251,880.68, 347,491.02 and 149,885.72 is: 206,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,880.68 : 347,491.02 = 149,885.72 : x
  2. Step 2: Convert to fraction form
    251,880.68/347,491.02 = 149,885.72/x
  3. Step 3: Cross multiply
    251,880.68x = 347,491.02 × 149,885.72
  4. Step 4: Simplify right side
    251,880.68x = 52,083,941,726.23
  5. Step 5: Solve for x
    x = 52,083,941,726.23/251,880.68
  6. Step 6: Final answer
    x = 206,780.22

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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.