Home / 275,768.04-380,518.46-154,886.18

Finding the Fourth Proportional to 275,768.04, 380,518.46 and 154,886.18

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Solution

The fourth proportional to 275,768.04, 380,518.46 and 154,886.18 is: 213,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,768.04 : 380,518.46 = 154,886.18 : x
  2. Step 2: Convert to fraction form
    275,768.04/380,518.46 = 154,886.18/x
  3. Step 3: Cross multiply
    275,768.04x = 380,518.46 × 154,886.18
  4. Step 4: Simplify right side
    275,768.04x = 58,937,048,592.68
  5. Step 5: Solve for x
    x = 58,937,048,592.68/275,768.04
  6. Step 6: Final answer
    x = 213,719.65

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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.