Home / 287,599.40-431,399.10-182,882.60

Finding the Fourth Proportional to 287,599.40, 431,399.10 and 182,882.60

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Solution

The fourth proportional to 287,599.40, 431,399.10 and 182,882.60 is: 274,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,599.40 : 431,399.10 = 182,882.60 : x
  2. Step 2: Convert to fraction form
    287,599.40/431,399.10 = 182,882.60/x
  3. Step 3: Cross multiply
    287,599.40x = 431,399.10 × 182,882.60
  4. Step 4: Simplify right side
    287,599.40x = 78,895,389,045.66
  5. Step 5: Solve for x
    x = 78,895,389,045.66/287,599.40
  6. Step 6: Final answer
    x = 274,323.90

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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.