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Finding the Fourth Proportional to 615,027.80, 922,671.30 and 194,346.20

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Solution

The fourth proportional to 615,027.80, 922,671.30 and 194,346.20 is: 291,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,027.80 : 922,671.30 = 194,346.20 : x
  2. Step 2: Convert to fraction form
    615,027.80/922,671.30 = 194,346.20/x
  3. Step 3: Cross multiply
    615,027.80x = 922,671.30 × 194,346.20
  4. Step 4: Simplify right side
    615,027.80x = 179,317,661,004.06
  5. Step 5: Solve for x
    x = 179,317,661,004.06/615,027.80
  6. Step 6: Final answer
    x = 291,560.25

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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.