Home / 292,899.73-439,599.23-115,531.30

Finding the Fourth Proportional to 292,899.73, 439,599.23 and 115,531.30

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Solution

The fourth proportional to 292,899.73, 439,599.23 and 115,531.30 is: 173,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,899.73 : 439,599.23 = 115,531.30 : x
  2. Step 2: Convert to fraction form
    292,899.73/439,599.23 = 115,531.30/x
  3. Step 3: Cross multiply
    292,899.73x = 439,599.23 × 115,531.30
  4. Step 4: Simplify right side
    292,899.73x = 50,787,470,520.90
  5. Step 5: Solve for x
    x = 50,787,470,520.90/292,899.73
  6. Step 6: Final answer
    x = 173,395.42

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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.