Home / 269,138.79-371,409.75-148,277.25

Finding the Fourth Proportional to 269,138.79, 371,409.75 and 148,277.25

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Solution

The fourth proportional to 269,138.79, 371,409.75 and 148,277.25 is: 204,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,138.79 : 371,409.75 = 148,277.25 : x
  2. Step 2: Convert to fraction form
    269,138.79/371,409.75 = 148,277.25/x
  3. Step 3: Cross multiply
    269,138.79x = 371,409.75 × 148,277.25
  4. Step 4: Simplify right side
    269,138.79x = 55,071,616,353.19
  5. Step 5: Solve for x
    x = 55,071,616,353.19/269,138.79
  6. Step 6: Final answer
    x = 204,621.62

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1.5x scale

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.