Home / 210,865.44-315,948.24-148,404.72

Finding the Fourth Proportional to 210,865.44, 315,948.24 and 148,404.72

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Solution

The fourth proportional to 210,865.44, 315,948.24 and 148,404.72 is: 222,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,865.44 : 315,948.24 = 148,404.72 : x
  2. Step 2: Convert to fraction form
    210,865.44/315,948.24 = 148,404.72/x
  3. Step 3: Cross multiply
    210,865.44x = 315,948.24 × 148,404.72
  4. Step 4: Simplify right side
    210,865.44x = 46,888,210,091.69
  5. Step 5: Solve for x
    x = 46,888,210,091.69/210,865.44
  6. Step 6: Final answer
    x = 222,360.81

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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.