Home / 259,011.89-357,431.03-144,290.38

Finding the Fourth Proportional to 259,011.89, 357,431.03 and 144,290.38

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Solution

The fourth proportional to 259,011.89, 357,431.03 and 144,290.38 is: 199,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,011.89 : 357,431.03 = 144,290.38 : x
  2. Step 2: Convert to fraction form
    259,011.89/357,431.03 = 144,290.38/x
  3. Step 3: Cross multiply
    259,011.89x = 357,431.03 × 144,290.38
  4. Step 4: Simplify right side
    259,011.89x = 51,573,858,738.73
  5. Step 5: Solve for x
    x = 51,573,858,738.73/259,011.89
  6. Step 6: Final answer
    x = 199,117.72

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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.