Home / 254,014.13-380,972.62-127,619.35

Finding the Fourth Proportional to 254,014.13, 380,972.62 and 127,619.35

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Solution

The fourth proportional to 254,014.13, 380,972.62 and 127,619.35 is: 191,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,014.13 : 380,972.62 = 127,619.35 : x
  2. Step 2: Convert to fraction form
    254,014.13/380,972.62 = 127,619.35/x
  3. Step 3: Cross multiply
    254,014.13x = 380,972.62 × 127,619.35
  4. Step 4: Simplify right side
    254,014.13x = 48,619,479,482.26
  5. Step 5: Solve for x
    x = 48,619,479,482.26/254,014.13
  6. Step 6: Final answer
    x = 191,404.62

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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.