Home / 254,529.53-381,955.23-142,283.42

Finding the Fourth Proportional to 254,529.53, 381,955.23 and 142,283.42

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Solution

The fourth proportional to 254,529.53, 381,955.23 and 142,283.42 is: 213,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,529.53 : 381,955.23 = 142,283.42 : x
  2. Step 2: Convert to fraction form
    254,529.53/381,955.23 = 142,283.42/x
  3. Step 3: Cross multiply
    254,529.53x = 381,955.23 × 142,283.42
  4. Step 4: Simplify right side
    254,529.53x = 54,345,896,411.29
  5. Step 5: Solve for x
    x = 54,345,896,411.29/254,529.53
  6. Step 6: Final answer
    x = 213,515.09

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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.