Home / 578,088.39-867,215.28-178,759.96

Finding the Fourth Proportional to 578,088.39, 867,215.28 and 178,759.96

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Solution

The fourth proportional to 578,088.39, 867,215.28 and 178,759.96 is: 268,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,088.39 : 867,215.28 = 178,759.96 : x
  2. Step 2: Convert to fraction form
    578,088.39/867,215.28 = 178,759.96/x
  3. Step 3: Cross multiply
    578,088.39x = 867,215.28 × 178,759.96
  4. Step 4: Simplify right side
    578,088.39x = 155,023,369,211.09
  5. Step 5: Solve for x
    x = 155,023,369,211.09/578,088.39
  6. Step 6: Final answer
    x = 268,165.51

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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.