Home / 290,026.25-400,238.95-162,704.57

Finding the Fourth Proportional to 290,026.25, 400,238.95 and 162,704.57

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Solution

The fourth proportional to 290,026.25, 400,238.95 and 162,704.57 is: 224,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,026.25 : 400,238.95 = 162,704.57 : x
  2. Step 2: Convert to fraction form
    290,026.25/400,238.95 = 162,704.57/x
  3. Step 3: Cross multiply
    290,026.25x = 400,238.95 × 162,704.57
  4. Step 4: Simplify right side
    290,026.25x = 65,120,707,257.60
  5. Step 5: Solve for x
    x = 65,120,707,257.60/290,026.25
  6. Step 6: Final answer
    x = 224,533.84

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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.