Home / 409,116.05-564,289.32-273,081.41

Finding the Fourth Proportional to 409,116.05, 564,289.32 and 273,081.41

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Solution

The fourth proportional to 409,116.05, 564,289.32 and 273,081.41 is: 376,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,116.05 : 564,289.32 = 273,081.41 : x
  2. Step 2: Convert to fraction form
    409,116.05/564,289.32 = 273,081.41/x
  3. Step 3: Cross multiply
    409,116.05x = 564,289.32 × 273,081.41
  4. Step 4: Simplify right side
    409,116.05x = 154,096,918,966.69
  5. Step 5: Solve for x
    x = 154,096,918,966.69/409,116.05
  6. Step 6: Final answer
    x = 376,658.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.