Home / 444,130.20-666,195.30-402,139.80

Finding the Fourth Proportional to 444,130.20, 666,195.30 and 402,139.80

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Solution

The fourth proportional to 444,130.20, 666,195.30 and 402,139.80 is: 603,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,130.20 : 666,195.30 = 402,139.80 : x
  2. Step 2: Convert to fraction form
    444,130.20/666,195.30 = 402,139.80/x
  3. Step 3: Cross multiply
    444,130.20x = 666,195.30 × 402,139.80
  4. Step 4: Simplify right side
    444,130.20x = 267,903,644,702.94
  5. Step 5: Solve for x
    x = 267,903,644,702.94/444,130.20
  6. Step 6: Final answer
    x = 603,209.70

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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.