Home / 313,986.20-471,008.10-103,624.60

Finding the Fourth Proportional to 313,986.20, 471,008.10 and 103,624.60

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Solution

The fourth proportional to 313,986.20, 471,008.10 and 103,624.60 is: 155,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,986.20 : 471,008.10 = 103,624.60 : x
  2. Step 2: Convert to fraction form
    313,986.20/471,008.10 = 103,624.60/x
  3. Step 3: Cross multiply
    313,986.20x = 471,008.10 × 103,624.60
  4. Step 4: Simplify right side
    313,986.20x = 48,808,025,959.26
  5. Step 5: Solve for x
    x = 48,808,025,959.26/313,986.20
  6. Step 6: Final answer
    x = 155,446.40

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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.