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Finding the Fourth Proportional to 302,563.64, 453,894.72 and 89,353.12

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Solution

The fourth proportional to 302,563.64, 453,894.72 and 89,353.12 is: 134,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,563.64 : 453,894.72 = 89,353.12 : x
  2. Step 2: Convert to fraction form
    302,563.64/453,894.72 = 89,353.12/x
  3. Step 3: Cross multiply
    302,563.64x = 453,894.72 × 89,353.12
  4. Step 4: Simplify right side
    302,563.64x = 40,556,909,383.53
  5. Step 5: Solve for x
    x = 40,556,909,383.53/302,563.64
  6. Step 6: Final answer
    x = 134,044.23

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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.