Home / 259,554.30-389,144.48-159,507.69

Finding the Fourth Proportional to 259,554.30, 389,144.48 and 159,507.69

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Solution

The fourth proportional to 259,554.30, 389,144.48 and 159,507.69 is: 239,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,554.30 : 389,144.48 = 159,507.69 : x
  2. Step 2: Convert to fraction form
    259,554.30/389,144.48 = 159,507.69/x
  3. Step 3: Cross multiply
    259,554.30x = 389,144.48 × 159,507.69
  4. Step 4: Simplify right side
    259,554.30x = 62,071,536,283.51
  5. Step 5: Solve for x
    x = 62,071,536,283.51/259,554.30
  6. Step 6: Final answer
    x = 239,146.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.