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Finding the Fourth Proportional to 201,512.30, 301,831.05 and 166,520.30

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Solution

The fourth proportional to 201,512.30, 301,831.05 and 166,520.30 is: 249,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,512.30 : 301,831.05 = 166,520.30 : x
  2. Step 2: Convert to fraction form
    201,512.30/301,831.05 = 166,520.30/x
  3. Step 3: Cross multiply
    201,512.30x = 301,831.05 × 166,520.30
  4. Step 4: Simplify right side
    201,512.30x = 50,260,996,995.32
  5. Step 5: Solve for x
    x = 50,260,996,995.32/201,512.30
  6. Step 6: Final answer
    x = 249,419.00

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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.