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Finding the Fourth Proportional to 359,057.28, 495,476.48 and 197,903.44

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Solution

The fourth proportional to 359,057.28, 495,476.48 and 197,903.44 is: 273,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,057.28 : 495,476.48 = 197,903.44 : x
  2. Step 2: Convert to fraction form
    359,057.28/495,476.48 = 197,903.44/x
  3. Step 3: Cross multiply
    359,057.28x = 495,476.48 × 197,903.44
  4. Step 4: Simplify right side
    359,057.28x = 98,056,499,831.09
  5. Step 5: Solve for x
    x = 98,056,499,831.09/359,057.28
  6. Step 6: Final answer
    x = 273,094.31

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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.