Home / 228,438.45-315,242.55-126,464.04

Finding the Fourth Proportional to 228,438.45, 315,242.55 and 126,464.04

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Solution

The fourth proportional to 228,438.45, 315,242.55 and 126,464.04 is: 174,518.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,438.45 : 315,242.55 = 126,464.04 : x
  2. Step 2: Convert to fraction form
    228,438.45/315,242.55 = 126,464.04/x
  3. Step 3: Cross multiply
    228,438.45x = 315,242.55 × 126,464.04
  4. Step 4: Simplify right side
    228,438.45x = 39,866,846,452.90
  5. Step 5: Solve for x
    x = 39,866,846,452.90/228,438.45
  6. Step 6: Final answer
    x = 174,518.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.