Home / 868,199.12-1,302,347.88-269,245.40

Finding the Fourth Proportional to 868,199.12, 1,302,347.88 and 269,245.40

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Solution

The fourth proportional to 868,199.12, 1,302,347.88 and 269,245.40 is: 403,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,199.12 : 1,302,347.88 = 269,245.40 : x
  2. Step 2: Convert to fraction form
    868,199.12/1,302,347.88 = 269,245.40/x
  3. Step 3: Cross multiply
    868,199.12x = 1,302,347.88 × 269,245.40
  4. Step 4: Simplify right side
    868,199.12x = 350,651,175,889.75
  5. Step 5: Solve for x
    x = 350,651,175,889.75/868,199.12
  6. Step 6: Final answer
    x = 403,883.36

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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.