Home / 309,244.31-426,318.06-227,427.95

Finding the Fourth Proportional to 309,244.31, 426,318.06 and 227,427.95

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Solution

The fourth proportional to 309,244.31, 426,318.06 and 227,427.95 is: 313,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,244.31 : 426,318.06 = 227,427.95 : x
  2. Step 2: Convert to fraction form
    309,244.31/426,318.06 = 227,427.95/x
  3. Step 3: Cross multiply
    309,244.31x = 426,318.06 × 227,427.95
  4. Step 4: Simplify right side
    309,244.31x = 96,956,643,712.79
  5. Step 5: Solve for x
    x = 96,956,643,712.79/309,244.31
  6. Step 6: Final answer
    x = 313,527.66

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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.