Home / 661,377.02-991,885.28-181,491.04

Finding the Fourth Proportional to 661,377.02, 991,885.28 and 181,491.04

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Solution

The fourth proportional to 661,377.02, 991,885.28 and 181,491.04 is: 272,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,377.02 : 991,885.28 = 181,491.04 : x
  2. Step 2: Convert to fraction form
    661,377.02/991,885.28 = 181,491.04/x
  3. Step 3: Cross multiply
    661,377.02x = 991,885.28 × 181,491.04
  4. Step 4: Simplify right side
    661,377.02x = 180,018,291,027.89
  5. Step 5: Solve for x
    x = 180,018,291,027.89/661,377.02
  6. Step 6: Final answer
    x = 272,187.10

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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.