Home / 312,209.10-468,313.65-227,572.20

Finding the Fourth Proportional to 312,209.10, 468,313.65 and 227,572.20

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Solution

The fourth proportional to 312,209.10, 468,313.65 and 227,572.20 is: 341,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,209.10 : 468,313.65 = 227,572.20 : x
  2. Step 2: Convert to fraction form
    312,209.10/468,313.65 = 227,572.20/x
  3. Step 3: Cross multiply
    312,209.10x = 468,313.65 × 227,572.20
  4. Step 4: Simplify right side
    312,209.10x = 106,575,167,620.53
  5. Step 5: Solve for x
    x = 106,575,167,620.53/312,209.10
  6. Step 6: Final answer
    x = 341,358.30

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1.5x scale

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.