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Finding the Fourth Proportional to 201,315.20, 301,972.80 and 179,542.40

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Solution

The fourth proportional to 201,315.20, 301,972.80 and 179,542.40 is: 269,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,315.20 : 301,972.80 = 179,542.40 : x
  2. Step 2: Convert to fraction form
    201,315.20/301,972.80 = 179,542.40/x
  3. Step 3: Cross multiply
    201,315.20x = 301,972.80 × 179,542.40
  4. Step 4: Simplify right side
    201,315.20x = 54,216,921,246.72
  5. Step 5: Solve for x
    x = 54,216,921,246.72/201,315.20
  6. Step 6: Final answer
    x = 269,313.60

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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.