Home / 254,969.28-382,453.40-121,444.56

Finding the Fourth Proportional to 254,969.28, 382,453.40 and 121,444.56

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Solution

The fourth proportional to 254,969.28, 382,453.40 and 121,444.56 is: 182,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,969.28 : 382,453.40 = 121,444.56 : x
  2. Step 2: Convert to fraction form
    254,969.28/382,453.40 = 121,444.56/x
  3. Step 3: Cross multiply
    254,969.28x = 382,453.40 × 121,444.56
  4. Step 4: Simplify right side
    254,969.28x = 46,446,884,883.50
  5. Step 5: Solve for x
    x = 46,446,884,883.50/254,969.28
  6. Step 6: Final answer
    x = 182,166.59

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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.