Home / 551,240.20-826,811.70-151,845.40

Finding the Fourth Proportional to 551,240.20, 826,811.70 and 151,845.40

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Solution

The fourth proportional to 551,240.20, 826,811.70 and 151,845.40 is: 227,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,240.20 : 826,811.70 = 151,845.40 : x
  2. Step 2: Convert to fraction form
    551,240.20/826,811.70 = 151,845.40/x
  3. Step 3: Cross multiply
    551,240.20x = 826,811.70 × 151,845.40
  4. Step 4: Simplify right side
    551,240.20x = 125,547,553,311.18
  5. Step 5: Solve for x
    x = 125,547,553,311.18/551,240.20
  6. Step 6: Final answer
    x = 227,754.71

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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.