Home / 268,867.80-403,301.70-226,877.40

Finding the Fourth Proportional to 268,867.80, 403,301.70 and 226,877.40

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Solution

The fourth proportional to 268,867.80, 403,301.70 and 226,877.40 is: 340,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,867.80 : 403,301.70 = 226,877.40 : x
  2. Step 2: Convert to fraction form
    268,867.80/403,301.70 = 226,877.40/x
  3. Step 3: Cross multiply
    268,867.80x = 403,301.70 × 226,877.40
  4. Step 4: Simplify right side
    268,867.80x = 91,500,041,111.58
  5. Step 5: Solve for x
    x = 91,500,041,111.58/268,867.80
  6. Step 6: Final answer
    x = 340,316.10

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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.