Home / 271,904.56-407,730-103,456.24

Finding the Fourth Proportional to 271,904.56, 407,730 and 103,456.24

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Solution

The fourth proportional to 271,904.56, 407,730 and 103,456.24 is: 155,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,904.56 : 407,730 = 103,456.24 : x
  2. Step 2: Convert to fraction form
    271,904.56/407,730 = 103,456.24/x
  3. Step 3: Cross multiply
    271,904.56x = 407,730 × 103,456.24
  4. Step 4: Simplify right side
    271,904.56x = 42,182,212,735.20
  5. Step 5: Solve for x
    x = 42,182,212,735.20/271,904.56
  6. Step 6: Final answer
    x = 155,136.10

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1.5x scale

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.