Home / 275,447.04-380,085.60-154,563.36

Finding the Fourth Proportional to 275,447.04, 380,085.60 and 154,563.36

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Solution

The fourth proportional to 275,447.04, 380,085.60 and 154,563.36 is: 213,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,447.04 : 380,085.60 = 154,563.36 : x
  2. Step 2: Convert to fraction form
    275,447.04/380,085.60 = 154,563.36/x
  3. Step 3: Cross multiply
    275,447.04x = 380,085.60 × 154,563.36
  4. Step 4: Simplify right side
    275,447.04x = 58,747,307,423.62
  5. Step 5: Solve for x
    x = 58,747,307,423.62/275,447.04
  6. Step 6: Final answer
    x = 213,279.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.