Home / 302,748.60-454,040.88-89,516.10

Finding the Fourth Proportional to 302,748.60, 454,040.88 and 89,516.10

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Solution

The fourth proportional to 302,748.60, 454,040.88 and 89,516.10 is: 134,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,748.60 : 454,040.88 = 89,516.10 : x
  2. Step 2: Convert to fraction form
    302,748.60/454,040.88 = 89,516.10/x
  3. Step 3: Cross multiply
    302,748.60x = 454,040.88 × 89,516.10
  4. Step 4: Simplify right side
    302,748.60x = 40,643,968,818.17
  5. Step 5: Solve for x
    x = 40,643,968,818.17/302,748.60
  6. Step 6: Final answer
    x = 134,249.90

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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.