Home / 271,551.15-407,337.66-129,323.25

Finding the Fourth Proportional to 271,551.15, 407,337.66 and 129,323.25

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Solution

The fourth proportional to 271,551.15, 407,337.66 and 129,323.25 is: 193,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,551.15 : 407,337.66 = 129,323.25 : x
  2. Step 2: Convert to fraction form
    271,551.15/407,337.66 = 129,323.25/x
  3. Step 3: Cross multiply
    271,551.15x = 407,337.66 × 129,323.25
  4. Step 4: Simplify right side
    271,551.15x = 52,678,230,038.60
  5. Step 5: Solve for x
    x = 52,678,230,038.60/271,551.15
  6. Step 6: Final answer
    x = 193,990.08

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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.