Home / 447,107.28-670,727.61-147,619.50

Finding the Fourth Proportional to 447,107.28, 670,727.61 and 147,619.50

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Solution

The fourth proportional to 447,107.28, 670,727.61 and 147,619.50 is: 221,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,107.28 : 670,727.61 = 147,619.50 : x
  2. Step 2: Convert to fraction form
    447,107.28/670,727.61 = 147,619.50/x
  3. Step 3: Cross multiply
    447,107.28x = 670,727.61 × 147,619.50
  4. Step 4: Simplify right side
    447,107.28x = 99,012,474,424.40
  5. Step 5: Solve for x
    x = 99,012,474,424.40/447,107.28
  6. Step 6: Final answer
    x = 221,451.27

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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.