Home / 259,852.10-389,486.55-147,586.10

Finding the Fourth Proportional to 259,852.10, 389,486.55 and 147,586.10

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Solution

The fourth proportional to 259,852.10, 389,486.55 and 147,586.10 is: 221,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,852.10 : 389,486.55 = 147,586.10 : x
  2. Step 2: Convert to fraction form
    259,852.10/389,486.55 = 147,586.10/x
  3. Step 3: Cross multiply
    259,852.10x = 389,486.55 × 147,586.10
  4. Step 4: Simplify right side
    259,852.10x = 57,482,800,916.96
  5. Step 5: Solve for x
    x = 57,482,800,916.96/259,852.10
  6. Step 6: Final answer
    x = 221,213.53

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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.