Home / 271,478.56-407,321.52-153,283.36

Finding the Fourth Proportional to 271,478.56, 407,321.52 and 153,283.36

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Solution

The fourth proportional to 271,478.56, 407,321.52 and 153,283.36 is: 229,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,478.56 : 407,321.52 = 153,283.36 : x
  2. Step 2: Convert to fraction form
    271,478.56/407,321.52 = 153,283.36/x
  3. Step 3: Cross multiply
    271,478.56x = 407,321.52 × 153,283.36
  4. Step 4: Simplify right side
    271,478.56x = 62,435,611,185.91
  5. Step 5: Solve for x
    x = 62,435,611,185.91/271,478.56
  6. Step 6: Final answer
    x = 229,983.58

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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.