Home / 491,280.48-737,258.94-171,434.16

Finding the Fourth Proportional to 491,280.48, 737,258.94 and 171,434.16

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Solution

The fourth proportional to 491,280.48, 737,258.94 and 171,434.16 is: 257,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,280.48 : 737,258.94 = 171,434.16 : x
  2. Step 2: Convert to fraction form
    491,280.48/737,258.94 = 171,434.16/x
  3. Step 3: Cross multiply
    491,280.48x = 737,258.94 × 171,434.16
  4. Step 4: Simplify right side
    491,280.48x = 126,391,367,081.39
  5. Step 5: Solve for x
    x = 126,391,367,081.39/491,280.48
  6. Step 6: Final answer
    x = 257,269.26

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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.