Home / 302,784.18-454,265.10-89,557.73

Finding the Fourth Proportional to 302,784.18, 454,265.10 and 89,557.73

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Solution

The fourth proportional to 302,784.18, 454,265.10 and 89,557.73 is: 134,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,784.18 : 454,265.10 = 89,557.73 : x
  2. Step 2: Convert to fraction form
    302,784.18/454,265.10 = 89,557.73/x
  3. Step 3: Cross multiply
    302,784.18x = 454,265.10 × 89,557.73
  4. Step 4: Simplify right side
    302,784.18x = 40,682,948,902.90
  5. Step 5: Solve for x
    x = 40,682,948,902.90/302,784.18
  6. Step 6: Final answer
    x = 134,362.86

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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.