Home / 302,946.39-454,279.89-89,638.02

Finding the Fourth Proportional to 302,946.39, 454,279.89 and 89,638.02

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Solution

The fourth proportional to 302,946.39, 454,279.89 and 89,638.02 is: 134,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,946.39 : 454,279.89 = 89,638.02 : x
  2. Step 2: Convert to fraction form
    302,946.39/454,279.89 = 89,638.02/x
  3. Step 3: Cross multiply
    302,946.39x = 454,279.89 × 89,638.02
  4. Step 4: Simplify right side
    302,946.39x = 40,720,750,201.56
  5. Step 5: Solve for x
    x = 40,720,750,201.56/302,946.39
  6. Step 6: Final answer
    x = 134,415.70

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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.