Home / 305,288.40-458,002.20-94,947.60

Finding the Fourth Proportional to 305,288.40, 458,002.20 and 94,947.60

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Solution

The fourth proportional to 305,288.40, 458,002.20 and 94,947.60 is: 142,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,288.40 : 458,002.20 = 94,947.60 : x
  2. Step 2: Convert to fraction form
    305,288.40/458,002.20 = 94,947.60/x
  3. Step 3: Cross multiply
    305,288.40x = 458,002.20 × 94,947.60
  4. Step 4: Simplify right side
    305,288.40x = 43,486,209,684.72
  5. Step 5: Solve for x
    x = 43,486,209,684.72/305,288.40
  6. Step 6: Final answer
    x = 142,443.05

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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.