Home / 204,001.40-306,002.10-172,508.60

Finding the Fourth Proportional to 204,001.40, 306,002.10 and 172,508.60

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Solution

The fourth proportional to 204,001.40, 306,002.10 and 172,508.60 is: 258,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,001.40 : 306,002.10 = 172,508.60 : x
  2. Step 2: Convert to fraction form
    204,001.40/306,002.10 = 172,508.60/x
  3. Step 3: Cross multiply
    204,001.40x = 306,002.10 × 172,508.60
  4. Step 4: Simplify right side
    204,001.40x = 52,787,993,868.06
  5. Step 5: Solve for x
    x = 52,787,993,868.06/204,001.40
  6. Step 6: Final answer
    x = 258,762.90

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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.