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Finding the Fourth Proportional to 302,176.64, 453,060.48 and 169,148.72

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Solution

The fourth proportional to 302,176.64, 453,060.48 and 169,148.72 is: 253,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,176.64 : 453,060.48 = 169,148.72 : x
  2. Step 2: Convert to fraction form
    302,176.64/453,060.48 = 169,148.72/x
  3. Step 3: Cross multiply
    302,176.64x = 453,060.48 × 169,148.72
  4. Step 4: Simplify right side
    302,176.64x = 76,634,600,274.59
  5. Step 5: Solve for x
    x = 76,634,600,274.59/302,176.64
  6. Step 6: Final answer
    x = 253,608.62

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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.