Home / 306,302.60-458,417.10-268,977.80

Finding the Fourth Proportional to 306,302.60, 458,417.10 and 268,977.80

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Solution

The fourth proportional to 306,302.60, 458,417.10 and 268,977.80 is: 402,556.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,302.60 : 458,417.10 = 268,977.80 : x
  2. Step 2: Convert to fraction form
    306,302.60/458,417.10 = 268,977.80/x
  3. Step 3: Cross multiply
    306,302.60x = 458,417.10 × 268,977.80
  4. Step 4: Simplify right side
    306,302.60x = 123,304,023,040.38
  5. Step 5: Solve for x
    x = 123,304,023,040.38/306,302.60
  6. Step 6: Final answer
    x = 402,556.24

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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.