Home / 305,246.10-457,759.80-155,436.60

Finding the Fourth Proportional to 305,246.10, 457,759.80 and 155,436.60

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Solution

The fourth proportional to 305,246.10, 457,759.80 and 155,436.60 is: 233,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,246.10 : 457,759.80 = 155,436.60 : x
  2. Step 2: Convert to fraction form
    305,246.10/457,759.80 = 155,436.60/x
  3. Step 3: Cross multiply
    305,246.10x = 457,759.80 × 155,436.60
  4. Step 4: Simplify right side
    305,246.10x = 71,152,626,928.68
  5. Step 5: Solve for x
    x = 71,152,626,928.68/305,246.10
  6. Step 6: Final answer
    x = 233,099.22

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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.