Home / 269,258.48-371,561.54-148,399.40

Finding the Fourth Proportional to 269,258.48, 371,561.54 and 148,399.40

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Solution

The fourth proportional to 269,258.48, 371,561.54 and 148,399.40 is: 204,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,258.48 : 371,561.54 = 148,399.40 : x
  2. Step 2: Convert to fraction form
    269,258.48/371,561.54 = 148,399.40/x
  3. Step 3: Cross multiply
    269,258.48x = 371,561.54 × 148,399.40
  4. Step 4: Simplify right side
    269,258.48x = 55,139,506,999.27
  5. Step 5: Solve for x
    x = 55,139,506,999.27/269,258.48
  6. Step 6: Final answer
    x = 204,782.81

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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.