Home / 268,504.09-402,746.68-68,826.13

Finding the Fourth Proportional to 268,504.09, 402,746.68 and 68,826.13

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Solution

The fourth proportional to 268,504.09, 402,746.68 and 68,826.13 is: 103,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,504.09 : 402,746.68 = 68,826.13 : x
  2. Step 2: Convert to fraction form
    268,504.09/402,746.68 = 68,826.13/x
  3. Step 3: Cross multiply
    268,504.09x = 402,746.68 × 68,826.13
  4. Step 4: Simplify right side
    268,504.09x = 27,719,495,354.75
  5. Step 5: Solve for x
    x = 27,719,495,354.75/268,504.09
  6. Step 6: Final answer
    x = 103,236.77

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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.