Home / 268,382.31-370,363.43-147,521.00

Finding the Fourth Proportional to 268,382.31, 370,363.43 and 147,521.00

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Solution

The fourth proportional to 268,382.31, 370,363.43 and 147,521.00 is: 203,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,382.31 : 370,363.43 = 147,521.00 : x
  2. Step 2: Convert to fraction form
    268,382.31/370,363.43 = 147,521.00/x
  3. Step 3: Cross multiply
    268,382.31x = 370,363.43 × 147,521.00
  4. Step 4: Simplify right side
    268,382.31x = 54,636,381,938.64
  5. Step 5: Solve for x
    x = 54,636,381,938.64/268,382.31
  6. Step 6: Final answer
    x = 203,576.69

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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.