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Finding the Fourth Proportional to 358,967.81, 495,388.01 and 195,637.94

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Solution

The fourth proportional to 358,967.81, 495,388.01 and 195,637.94 is: 269,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,967.81 : 495,388.01 = 195,637.94 : x
  2. Step 2: Convert to fraction form
    358,967.81/495,388.01 = 195,637.94/x
  3. Step 3: Cross multiply
    358,967.81x = 495,388.01 × 195,637.94
  4. Step 4: Simplify right side
    358,967.81x = 96,916,686,321.97
  5. Step 5: Solve for x
    x = 96,916,686,321.97/358,967.81
  6. Step 6: Final answer
    x = 269,987.13

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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.