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Finding the Fourth Proportional to 201,220.80, 301,831.20 and 148,076.70

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Solution

The fourth proportional to 201,220.80, 301,831.20 and 148,076.70 is: 222,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,220.80 : 301,831.20 = 148,076.70 : x
  2. Step 2: Convert to fraction form
    201,220.80/301,831.20 = 148,076.70/x
  3. Step 3: Cross multiply
    201,220.80x = 301,831.20 × 148,076.70
  4. Step 4: Simplify right side
    201,220.80x = 44,694,168,053.04
  5. Step 5: Solve for x
    x = 44,694,168,053.04/201,220.80
  6. Step 6: Final answer
    x = 222,115.05

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1.5x scale

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.