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Finding the Fourth Proportional to 303,155.52, 454,774.76 and 103,422.26

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Solution

The fourth proportional to 303,155.52, 454,774.76 and 103,422.26 is: 155,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,155.52 : 454,774.76 = 103,422.26 : x
  2. Step 2: Convert to fraction form
    303,155.52/454,774.76 = 103,422.26/x
  3. Step 3: Cross multiply
    303,155.52x = 454,774.76 × 103,422.26
  4. Step 4: Simplify right side
    303,155.52x = 47,033,833,470.16
  5. Step 5: Solve for x
    x = 47,033,833,470.16/303,155.52
  6. Step 6: Final answer
    x = 155,147.54

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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.