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Finding the Fourth Proportional to 445,901.92, 615,855.72 and 293,620.84

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Solution

The fourth proportional to 445,901.92, 615,855.72 and 293,620.84 is: 405,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,901.92 : 615,855.72 = 293,620.84 : x
  2. Step 2: Convert to fraction form
    445,901.92/615,855.72 = 293,620.84/x
  3. Step 3: Cross multiply
    445,901.92x = 615,855.72 × 293,620.84
  4. Step 4: Simplify right side
    445,901.92x = 180,828,073,825.21
  5. Step 5: Solve for x
    x = 180,828,073,825.21/445,901.92
  6. Step 6: Final answer
    x = 405,533.29

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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.