Home / 269,015.16-371,233.32-154,312.94

Finding the Fourth Proportional to 269,015.16, 371,233.32 and 154,312.94

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Solution

The fourth proportional to 269,015.16, 371,233.32 and 154,312.94 is: 212,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,015.16 : 371,233.32 = 154,312.94 : x
  2. Step 2: Convert to fraction form
    269,015.16/371,233.32 = 154,312.94/x
  3. Step 3: Cross multiply
    269,015.16x = 371,233.32 × 154,312.94
  4. Step 4: Simplify right side
    269,015.16x = 57,286,105,035.16
  5. Step 5: Solve for x
    x = 57,286,105,035.16/269,015.16
  6. Step 6: Final answer
    x = 212,947.50

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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.