Home / 867,196.32-1,300,917.06-268,209.96

Finding the Fourth Proportional to 867,196.32, 1,300,917.06 and 268,209.96

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Solution

The fourth proportional to 867,196.32, 1,300,917.06 and 268,209.96 is: 402,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,196.32 : 1,300,917.06 = 268,209.96 : x
  2. Step 2: Convert to fraction form
    867,196.32/1,300,917.06 = 268,209.96/x
  3. Step 3: Cross multiply
    867,196.32x = 1,300,917.06 × 268,209.96
  4. Step 4: Simplify right side
    867,196.32x = 348,918,912,625.92
  5. Step 5: Solve for x
    x = 348,918,912,625.92/867,196.32
  6. Step 6: Final answer
    x = 402,352.85

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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.