Home / 230,289.38-345,368.46-145,922.21

Finding the Fourth Proportional to 230,289.38, 345,368.46 and 145,922.21

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Solution

The fourth proportional to 230,289.38, 345,368.46 and 145,922.21 is: 218,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,289.38 : 345,368.46 = 145,922.21 : x
  2. Step 2: Convert to fraction form
    230,289.38/345,368.46 = 145,922.21/x
  3. Step 3: Cross multiply
    230,289.38x = 345,368.46 × 145,922.21
  4. Step 4: Simplify right side
    230,289.38x = 50,396,928,947.50
  5. Step 5: Solve for x
    x = 50,396,928,947.50/230,289.38
  6. Step 6: Final answer
    x = 218,841.74

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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.