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Finding the Fourth Proportional to 360,016.65, 496,808.64 and 198,866.34

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Solution

The fourth proportional to 360,016.65, 496,808.64 and 198,866.34 is: 274,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,016.65 : 496,808.64 = 198,866.34 : x
  2. Step 2: Convert to fraction form
    360,016.65/496,808.64 = 198,866.34/x
  3. Step 3: Cross multiply
    360,016.65x = 496,808.64 × 198,866.34
  4. Step 4: Simplify right side
    360,016.65x = 98,798,515,917.18
  5. Step 5: Solve for x
    x = 98,798,515,917.18/360,016.65
  6. Step 6: Final answer
    x = 274,427.63

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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.