Home / 446,886.45-670,187.25-147,311.19

Finding the Fourth Proportional to 446,886.45, 670,187.25 and 147,311.19

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Solution

The fourth proportional to 446,886.45, 670,187.25 and 147,311.19 is: 220,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,886.45 : 670,187.25 = 147,311.19 : x
  2. Step 2: Convert to fraction form
    446,886.45/670,187.25 = 147,311.19/x
  3. Step 3: Cross multiply
    446,886.45x = 670,187.25 × 147,311.19
  4. Step 4: Simplify right side
    446,886.45x = 98,726,081,320.33
  5. Step 5: Solve for x
    x = 98,726,081,320.33/446,886.45
  6. Step 6: Final answer
    x = 220,919.84

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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.