Home / 551,256.20-826,835.70-151,861.40

Finding the Fourth Proportional to 551,256.20, 826,835.70 and 151,861.40

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Solution

The fourth proportional to 551,256.20, 826,835.70 and 151,861.40 is: 227,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,256.20 : 826,835.70 = 151,861.40 : x
  2. Step 2: Convert to fraction form
    551,256.20/826,835.70 = 151,861.40/x
  3. Step 3: Cross multiply
    551,256.20x = 826,835.70 × 151,861.40
  4. Step 4: Simplify right side
    551,256.20x = 125,564,426,971.98
  5. Step 5: Solve for x
    x = 125,564,426,971.98/551,256.20
  6. Step 6: Final answer
    x = 227,778.71

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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.