Home / 290,217.05-400,477.55-162,868.04

Finding the Fourth Proportional to 290,217.05, 400,477.55 and 162,868.04

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Solution

The fourth proportional to 290,217.05, 400,477.55 and 162,868.04 is: 224,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,217.05 : 400,477.55 = 162,868.04 : x
  2. Step 2: Convert to fraction form
    290,217.05/400,477.55 = 162,868.04/x
  3. Step 3: Cross multiply
    290,217.05x = 400,477.55 × 162,868.04
  4. Step 4: Simplify right side
    290,217.05x = 65,224,990,815.77
  5. Step 5: Solve for x
    x = 65,224,990,815.77/290,217.05
  6. Step 6: Final answer
    x = 224,745.55

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1.5x scale

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.