Home / 313,863.28-470,988.78-124,291.72

Finding the Fourth Proportional to 313,863.28, 470,988.78 and 124,291.72

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Solution

The fourth proportional to 313,863.28, 470,988.78 and 124,291.72 is: 186,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,863.28 : 470,988.78 = 124,291.72 : x
  2. Step 2: Convert to fraction form
    313,863.28/470,988.78 = 124,291.72/x
  3. Step 3: Cross multiply
    313,863.28x = 470,988.78 × 124,291.72
  4. Step 4: Simplify right side
    313,863.28x = 58,540,005,566.90
  5. Step 5: Solve for x
    x = 58,540,005,566.90/313,863.28
  6. Step 6: Final answer
    x = 186,514.35

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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.