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Finding the Fourth Proportional to 555,364.32, 833,049.20 and 134,640.18

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Solution

The fourth proportional to 555,364.32, 833,049.20 and 134,640.18 is: 201,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,364.32 : 833,049.20 = 134,640.18 : x
  2. Step 2: Convert to fraction form
    555,364.32/833,049.20 = 134,640.18/x
  3. Step 3: Cross multiply
    555,364.32x = 833,049.20 × 134,640.18
  4. Step 4: Simplify right side
    555,364.32x = 112,161,894,236.86
  5. Step 5: Solve for x
    x = 112,161,894,236.86/555,364.32
  6. Step 6: Final answer
    x = 201,960.93

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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.