Home / 258,929.71-357,226.30-258,530.55

Finding the Fourth Proportional to 258,929.71, 357,226.30 and 258,530.55

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Solution

The fourth proportional to 258,929.71, 357,226.30 and 258,530.55 is: 356,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,929.71 : 357,226.30 = 258,530.55 : x
  2. Step 2: Convert to fraction form
    258,929.71/357,226.30 = 258,530.55/x
  3. Step 3: Cross multiply
    258,929.71x = 357,226.30 × 258,530.55
  4. Step 4: Simplify right side
    258,929.71x = 92,353,912,806.43
  5. Step 5: Solve for x
    x = 92,353,912,806.43/258,929.71
  6. Step 6: Final answer
    x = 356,675.61

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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.