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Finding the Fourth Proportional to 473,170.48, 652,976.31 and 258,310.60

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Solution

The fourth proportional to 473,170.48, 652,976.31 and 258,310.60 is: 356,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,170.48 : 652,976.31 = 258,310.60 : x
  2. Step 2: Convert to fraction form
    473,170.48/652,976.31 = 258,310.60/x
  3. Step 3: Cross multiply
    473,170.48x = 652,976.31 × 258,310.60
  4. Step 4: Simplify right side
    473,170.48x = 168,670,702,421.89
  5. Step 5: Solve for x
    x = 168,670,702,421.89/473,170.48
  6. Step 6: Final answer
    x = 356,469.20

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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.