Home / 305,825.60-458,811.30-147,924.20

Finding the Fourth Proportional to 305,825.60, 458,811.30 and 147,924.20

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Solution

The fourth proportional to 305,825.60, 458,811.30 and 147,924.20 is: 221,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,825.60 : 458,811.30 = 147,924.20 : x
  2. Step 2: Convert to fraction form
    305,825.60/458,811.30 = 147,924.20/x
  3. Step 3: Cross multiply
    305,825.60x = 458,811.30 × 147,924.20
  4. Step 4: Simplify right side
    305,825.60x = 67,869,294,503.46
  5. Step 5: Solve for x
    x = 67,869,294,503.46/305,825.60
  6. Step 6: Final answer
    x = 221,921.56

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1.5x scale

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.