Home / 513,945.57-771,076.11-229,875.14

Finding the Fourth Proportional to 513,945.57, 771,076.11 and 229,875.14

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Solution

The fourth proportional to 513,945.57, 771,076.11 and 229,875.14 is: 344,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,945.57 : 771,076.11 = 229,875.14 : x
  2. Step 2: Convert to fraction form
    513,945.57/771,076.11 = 229,875.14/x
  3. Step 3: Cross multiply
    513,945.57x = 771,076.11 × 229,875.14
  4. Step 4: Simplify right side
    513,945.57x = 177,251,224,881.53
  5. Step 5: Solve for x
    x = 177,251,224,881.53/513,945.57
  6. Step 6: Final answer
    x = 344,883.26

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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.