Home / 305,929.03-458,846.07-156,279.91

Finding the Fourth Proportional to 305,929.03, 458,846.07 and 156,279.91

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Solution

The fourth proportional to 305,929.03, 458,846.07 and 156,279.91 is: 234,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,929.03 : 458,846.07 = 156,279.91 : x
  2. Step 2: Convert to fraction form
    305,929.03/458,846.07 = 156,279.91/x
  3. Step 3: Cross multiply
    305,929.03x = 458,846.07 × 156,279.91
  4. Step 4: Simplify right side
    305,929.03x = 71,708,422,523.45
  5. Step 5: Solve for x
    x = 71,708,422,523.45/305,929.03
  6. Step 6: Final answer
    x = 234,395.61

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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.