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Finding the Fourth Proportional to 302,668.32, 453,970.56 and 134,191.52

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Solution

The fourth proportional to 302,668.32, 453,970.56 and 134,191.52 is: 201,273.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,668.32 : 453,970.56 = 134,191.52 : x
  2. Step 2: Convert to fraction form
    302,668.32/453,970.56 = 134,191.52/x
  3. Step 3: Cross multiply
    302,668.32x = 453,970.56 × 134,191.52
  4. Step 4: Simplify right side
    302,668.32x = 60,918,999,481.65
  5. Step 5: Solve for x
    x = 60,918,999,481.65/302,668.32
  6. Step 6: Final answer
    x = 201,273.13

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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.