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Finding the Fourth Proportional to 358,952.49, 495,331.01 and 197,807.50

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Solution

The fourth proportional to 358,952.49, 495,331.01 and 197,807.50 is: 272,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,952.49 : 495,331.01 = 197,807.50 : x
  2. Step 2: Convert to fraction form
    358,952.49/495,331.01 = 197,807.50/x
  3. Step 3: Cross multiply
    358,952.49x = 495,331.01 × 197,807.50
  4. Step 4: Simplify right side
    358,952.49x = 97,980,189,132.48
  5. Step 5: Solve for x
    x = 97,980,189,132.48/358,952.49
  6. Step 6: Final answer
    x = 272,961.44

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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.