Home / 254,528.53-381,953.73-142,282.42

Finding the Fourth Proportional to 254,528.53, 381,953.73 and 142,282.42

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Solution

The fourth proportional to 254,528.53, 381,953.73 and 142,282.42 is: 213,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,528.53 : 381,953.73 = 142,282.42 : x
  2. Step 2: Convert to fraction form
    254,528.53/381,953.73 = 142,282.42/x
  3. Step 3: Cross multiply
    254,528.53x = 381,953.73 × 142,282.42
  4. Step 4: Simplify right side
    254,528.53x = 54,345,301,959.25
  5. Step 5: Solve for x
    x = 54,345,301,959.25/254,528.53
  6. Step 6: Final answer
    x = 213,513.60

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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.