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Finding the Fourth Proportional to 312,847.31, 465,246.48 and 302,882.69

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Solution

The fourth proportional to 312,847.31, 465,246.48 and 302,882.69 is: 450,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,847.31 : 465,246.48 = 302,882.69 : x
  2. Step 2: Convert to fraction form
    312,847.31/465,246.48 = 302,882.69/x
  3. Step 3: Cross multiply
    312,847.31x = 465,246.48 × 302,882.69
  4. Step 4: Simplify right side
    312,847.31x = 140,915,107,674.36
  5. Step 5: Solve for x
    x = 140,915,107,674.36/312,847.31
  6. Step 6: Final answer
    x = 450,427.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.