Home / 312,738.08-469,626.03-195,156.72

Finding the Fourth Proportional to 312,738.08, 469,626.03 and 195,156.72

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Solution

The fourth proportional to 312,738.08, 469,626.03 and 195,156.72 is: 293,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,738.08 : 469,626.03 = 195,156.72 : x
  2. Step 2: Convert to fraction form
    312,738.08/469,626.03 = 195,156.72/x
  3. Step 3: Cross multiply
    312,738.08x = 469,626.03 × 195,156.72
  4. Step 4: Simplify right side
    312,738.08x = 91,650,675,641.42
  5. Step 5: Solve for x
    x = 91,650,675,641.42/312,738.08
  6. Step 6: Final answer
    x = 293,058.90

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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.