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Finding the Fourth Proportional to 170,841.79, 256,266.79 and 52,514.16

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Solution

The fourth proportional to 170,841.79, 256,266.79 and 52,514.16 is: 78,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,841.79 : 256,266.79 = 52,514.16 : x
  2. Step 2: Convert to fraction form
    170,841.79/256,266.79 = 52,514.16/x
  3. Step 3: Cross multiply
    170,841.79x = 256,266.79 × 52,514.16
  4. Step 4: Simplify right side
    170,841.79x = 13,457,634,120.46
  5. Step 5: Solve for x
    x = 13,457,634,120.46/170,841.79
  6. Step 6: Final answer
    x = 78,772.49

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1.5x scale

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.