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Finding the Fourth Proportional to 303,195.60, 455,121.45 and 170,335.35

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Solution

The fourth proportional to 303,195.60, 455,121.45 and 170,335.35 is: 255,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,195.60 : 455,121.45 = 170,335.35 : x
  2. Step 2: Convert to fraction form
    303,195.60/455,121.45 = 170,335.35/x
  3. Step 3: Cross multiply
    303,195.60x = 455,121.45 × 170,335.35
  4. Step 4: Simplify right side
    303,195.60x = 77,523,271,478.26
  5. Step 5: Solve for x
    x = 77,523,271,478.26/303,195.60
  6. Step 6: Final answer
    x = 255,687.32

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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.