Home / 249,327.10-373,954.20-71,815.60

Finding the Fourth Proportional to 249,327.10, 373,954.20 and 71,815.60

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Solution

The fourth proportional to 249,327.10, 373,954.20 and 71,815.60 is: 107,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,327.10 : 373,954.20 = 71,815.60 : x
  2. Step 2: Convert to fraction form
    249,327.10/373,954.20 = 71,815.60/x
  3. Step 3: Cross multiply
    249,327.10x = 373,954.20 × 71,815.60
  4. Step 4: Simplify right side
    249,327.10x = 26,855,745,245.52
  5. Step 5: Solve for x
    x = 26,855,745,245.52/249,327.10
  6. Step 6: Final answer
    x = 107,712.90

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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.