Home / 446,720.74-670,081.25-162,358.49

Finding the Fourth Proportional to 446,720.74, 670,081.25 and 162,358.49

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Solution

The fourth proportional to 446,720.74, 670,081.25 and 162,358.49 is: 243,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,720.74 : 670,081.25 = 162,358.49 : x
  2. Step 2: Convert to fraction form
    446,720.74/670,081.25 = 162,358.49/x
  3. Step 3: Cross multiply
    446,720.74x = 670,081.25 × 162,358.49
  4. Step 4: Simplify right side
    446,720.74x = 108,793,382,008.41
  5. Step 5: Solve for x
    x = 108,793,382,008.41/446,720.74
  6. Step 6: Final answer
    x = 243,537.79

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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.