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Finding the Fourth Proportional to 358,975.62, 495,388.31 and 206,001.63

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Solution

The fourth proportional to 358,975.62, 495,388.31 and 206,001.63 is: 284,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,975.62 : 495,388.31 = 206,001.63 : x
  2. Step 2: Convert to fraction form
    358,975.62/495,388.31 = 206,001.63/x
  3. Step 3: Cross multiply
    358,975.62x = 495,388.31 × 206,001.63
  4. Step 4: Simplify right side
    358,975.62x = 102,050,798,312.94
  5. Step 5: Solve for x
    x = 102,050,798,312.94/358,975.62
  6. Step 6: Final answer
    x = 284,283.37

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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.