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Finding the Fourth Proportional to 445,841.13, 615,260.77 and 254,858.63

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Solution

The fourth proportional to 445,841.13, 615,260.77 and 254,858.63 is: 351,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,841.13 : 615,260.77 = 254,858.63 : x
  2. Step 2: Convert to fraction form
    445,841.13/615,260.77 = 254,858.63/x
  3. Step 3: Cross multiply
    445,841.13x = 615,260.77 × 254,858.63
  4. Step 4: Simplify right side
    445,841.13x = 156,804,517,835.95
  5. Step 5: Solve for x
    x = 156,804,517,835.95/445,841.13
  6. Step 6: Final answer
    x = 351,704.92

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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.