Home / 272,588.36-408,966.27-139,562.04

Finding the Fourth Proportional to 272,588.36, 408,966.27 and 139,562.04

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Solution

The fourth proportional to 272,588.36, 408,966.27 and 139,562.04 is: 209,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,588.36 : 408,966.27 = 139,562.04 : x
  2. Step 2: Convert to fraction form
    272,588.36/408,966.27 = 139,562.04/x
  3. Step 3: Cross multiply
    272,588.36x = 408,966.27 × 139,562.04
  4. Step 4: Simplify right side
    272,588.36x = 57,076,165,642.22
  5. Step 5: Solve for x
    x = 57,076,165,642.22/272,588.36
  6. Step 6: Final answer
    x = 209,385.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.