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Finding the Fourth Proportional to 330,532.56, 456,117.48 and 187,294.32

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Solution

The fourth proportional to 330,532.56, 456,117.48 and 187,294.32 is: 258,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,532.56 : 456,117.48 = 187,294.32 : x
  2. Step 2: Convert to fraction form
    330,532.56/456,117.48 = 187,294.32/x
  3. Step 3: Cross multiply
    330,532.56x = 456,117.48 × 187,294.32
  4. Step 4: Simplify right side
    330,532.56x = 85,428,213,256.71
  5. Step 5: Solve for x
    x = 85,428,213,256.71/330,532.56
  6. Step 6: Final answer
    x = 258,456.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.