Home / 240,686.15-331,945.10-154,659.14

Finding the Fourth Proportional to 240,686.15, 331,945.10 and 154,659.14

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Solution

The fourth proportional to 240,686.15, 331,945.10 and 154,659.14 is: 213,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,686.15 : 331,945.10 = 154,659.14 : x
  2. Step 2: Convert to fraction form
    240,686.15/331,945.10 = 154,659.14/x
  3. Step 3: Cross multiply
    240,686.15x = 331,945.10 × 154,659.14
  4. Step 4: Simplify right side
    240,686.15x = 51,338,341,260.19
  5. Step 5: Solve for x
    x = 51,338,341,260.19/240,686.15
  6. Step 6: Final answer
    x = 213,299.94

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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.