Home / 312,619.30-468,928.24-75,962.21

Finding the Fourth Proportional to 312,619.30, 468,928.24 and 75,962.21

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Solution

The fourth proportional to 312,619.30, 468,928.24 and 75,962.21 is: 113,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,619.30 : 468,928.24 = 75,962.21 : x
  2. Step 2: Convert to fraction form
    312,619.30/468,928.24 = 75,962.21/x
  3. Step 3: Cross multiply
    312,619.30x = 468,928.24 × 75,962.21
  4. Step 4: Simplify right side
    312,619.30x = 35,620,822,907.26
  5. Step 5: Solve for x
    x = 35,620,822,907.26/312,619.30
  6. Step 6: Final answer
    x = 113,943.14

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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.