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Finding the Fourth Proportional to 305,220.60, 458,268.30 and 230,862.60

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Solution

The fourth proportional to 305,220.60, 458,268.30 and 230,862.60 is: 346,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,220.60 : 458,268.30 = 230,862.60 : x
  2. Step 2: Convert to fraction form
    305,220.60/458,268.30 = 230,862.60/x
  3. Step 3: Cross multiply
    305,220.60x = 458,268.30 × 230,862.60
  4. Step 4: Simplify right side
    305,220.60x = 105,797,011,235.58
  5. Step 5: Solve for x
    x = 105,797,011,235.58/305,220.60
  6. Step 6: Final answer
    x = 346,624.74

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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.