Home / 302,489.11-454,014.05-152,834.58

Finding the Fourth Proportional to 302,489.11, 454,014.05 and 152,834.58

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Solution

The fourth proportional to 302,489.11, 454,014.05 and 152,834.58 is: 229,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,489.11 : 454,014.05 = 152,834.58 : x
  2. Step 2: Convert to fraction form
    302,489.11/454,014.05 = 152,834.58/x
  3. Step 3: Cross multiply
    302,489.11x = 454,014.05 × 152,834.58
  4. Step 4: Simplify right side
    302,489.11x = 69,389,046,311.52
  5. Step 5: Solve for x
    x = 69,389,046,311.52/302,489.11
  6. Step 6: Final answer
    x = 229,393.53

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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.