Home / 447,228.20-670,712.70-162,885.80

Finding the Fourth Proportional to 447,228.20, 670,712.70 and 162,885.80

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Solution

The fourth proportional to 447,228.20, 670,712.70 and 162,885.80 is: 244,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,228.20 : 670,712.70 = 162,885.80 : x
  2. Step 2: Convert to fraction form
    447,228.20/670,712.70 = 162,885.80/x
  3. Step 3: Cross multiply
    447,228.20x = 670,712.70 × 162,885.80
  4. Step 4: Simplify right side
    447,228.20x = 109,249,574,709.66
  5. Step 5: Solve for x
    x = 109,249,574,709.66/447,228.20
  6. Step 6: Final answer
    x = 244,281.50

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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.