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Finding the Fourth Proportional to 444,080.39, 612,815.77 and 253,155.29

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Solution

The fourth proportional to 444,080.39, 612,815.77 and 253,155.29 is: 349,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,080.39 : 612,815.77 = 253,155.29 : x
  2. Step 2: Convert to fraction form
    444,080.39/612,815.77 = 253,155.29/x
  3. Step 3: Cross multiply
    444,080.39x = 612,815.77 × 253,155.29
  4. Step 4: Simplify right side
    444,080.39x = 155,137,553,970.92
  5. Step 5: Solve for x
    x = 155,137,553,970.92/444,080.39
  6. Step 6: Final answer
    x = 349,345.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.