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Finding the Fourth Proportional to 303,080.80, 454,329.60 and 235,575.40

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Solution

The fourth proportional to 303,080.80, 454,329.60 and 235,575.40 is: 353,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,080.80 : 454,329.60 = 235,575.40 : x
  2. Step 2: Convert to fraction form
    303,080.80/454,329.60 = 235,575.40/x
  3. Step 3: Cross multiply
    303,080.80x = 454,329.60 × 235,575.40
  4. Step 4: Simplify right side
    303,080.80x = 107,028,877,251.84
  5. Step 5: Solve for x
    x = 107,028,877,251.84/303,080.80
  6. Step 6: Final answer
    x = 353,136.45

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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.