Home / 210,923.46-290,771.64-150,389.19

Finding the Fourth Proportional to 210,923.46, 290,771.64 and 150,389.19

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Solution

The fourth proportional to 210,923.46, 290,771.64 and 150,389.19 is: 207,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,923.46 : 290,771.64 = 150,389.19 : x
  2. Step 2: Convert to fraction form
    210,923.46/290,771.64 = 150,389.19/x
  3. Step 3: Cross multiply
    210,923.46x = 290,771.64 × 150,389.19
  4. Step 4: Simplify right side
    210,923.46x = 43,728,911,414.57
  5. Step 5: Solve for x
    x = 43,728,911,414.57/210,923.46
  6. Step 6: Final answer
    x = 207,321.23

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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.