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Finding the Fourth Proportional to 546,778.09, 820,171.99 and 167,700.59

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Solution

The fourth proportional to 546,778.09, 820,171.99 and 167,700.59 is: 251,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,778.09 : 820,171.99 = 167,700.59 : x
  2. Step 2: Convert to fraction form
    546,778.09/820,171.99 = 167,700.59/x
  3. Step 3: Cross multiply
    546,778.09x = 820,171.99 × 167,700.59
  4. Step 4: Simplify right side
    546,778.09x = 137,543,326,624.47
  5. Step 5: Solve for x
    x = 137,543,326,624.47/546,778.09
  6. Step 6: Final answer
    x = 251,552.37

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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.