Home / 446,815.20-670,287.60-147,244.80

Finding the Fourth Proportional to 446,815.20, 670,287.60 and 147,244.80

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Solution

The fourth proportional to 446,815.20, 670,287.60 and 147,244.80 is: 220,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,815.20 : 670,287.60 = 147,244.80 : x
  2. Step 2: Convert to fraction form
    446,815.20/670,287.60 = 147,244.80/x
  3. Step 3: Cross multiply
    446,815.20x = 670,287.60 × 147,244.80
  4. Step 4: Simplify right side
    446,815.20x = 98,696,363,604.48
  5. Step 5: Solve for x
    x = 98,696,363,604.48/446,815.20
  6. Step 6: Final answer
    x = 220,888.55

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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.