Home / 269,002.79-371,209.63-154,275.50

Finding the Fourth Proportional to 269,002.79, 371,209.63 and 154,275.50

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Solution

The fourth proportional to 269,002.79, 371,209.63 and 154,275.50 is: 212,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,002.79 : 371,209.63 = 154,275.50 : x
  2. Step 2: Convert to fraction form
    269,002.79/371,209.63 = 154,275.50/x
  3. Step 3: Cross multiply
    269,002.79x = 371,209.63 × 154,275.50
  4. Step 4: Simplify right side
    269,002.79x = 57,268,551,273.07
  5. Step 5: Solve for x
    x = 57,268,551,273.07/269,002.79
  6. Step 6: Final answer
    x = 212,892.03

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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.