Home / 254,015.13-380,974.12-127,620.35

Finding the Fourth Proportional to 254,015.13, 380,974.12 and 127,620.35

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Solution

The fourth proportional to 254,015.13, 380,974.12 and 127,620.35 is: 191,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,015.13 : 380,974.12 = 127,620.35 : x
  2. Step 2: Convert to fraction form
    254,015.13/380,974.12 = 127,620.35/x
  3. Step 3: Cross multiply
    254,015.13x = 380,974.12 × 127,620.35
  4. Step 4: Simplify right side
    254,015.13x = 48,620,050,535.34
  5. Step 5: Solve for x
    x = 48,620,050,535.34/254,015.13
  6. Step 6: Final answer
    x = 191,406.12

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1.5x scale

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.