Home / 254,455.24-351,159.20-141,278

Finding the Fourth Proportional to 254,455.24, 351,159.20 and 141,278

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Solution

The fourth proportional to 254,455.24, 351,159.20 and 141,278 is: 194,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,455.24 : 351,159.20 = 141,278 : x
  2. Step 2: Convert to fraction form
    254,455.24/351,159.20 = 141,278/x
  3. Step 3: Cross multiply
    254,455.24x = 351,159.20 × 141,278
  4. Step 4: Simplify right side
    254,455.24x = 49,611,069,457.60
  5. Step 5: Solve for x
    x = 49,611,069,457.60/254,455.24
  6. Step 6: Final answer
    x = 194,969.73

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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.