Home / 258,860.90-388,346.79-146,594.18

Finding the Fourth Proportional to 258,860.90, 388,346.79 and 146,594.18

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Solution

The fourth proportional to 258,860.90, 388,346.79 and 146,594.18 is: 219,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,860.90 : 388,346.79 = 146,594.18 : x
  2. Step 2: Convert to fraction form
    258,860.90/388,346.79 = 146,594.18/x
  3. Step 3: Cross multiply
    258,860.90x = 388,346.79 × 146,594.18
  4. Step 4: Simplify right side
    258,860.90x = 56,929,379,235.68
  5. Step 5: Solve for x
    x = 56,929,379,235.68/258,860.90
  6. Step 6: Final answer
    x = 219,922.67

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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.