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Finding the Fourth Proportional to 360,355.08, 497,246.84 and 199,188.21

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Solution

The fourth proportional to 360,355.08, 497,246.84 and 199,188.21 is: 274,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,355.08 : 497,246.84 = 199,188.21 : x
  2. Step 2: Convert to fraction form
    360,355.08/497,246.84 = 199,188.21/x
  3. Step 3: Cross multiply
    360,355.08x = 497,246.84 × 199,188.21
  4. Step 4: Simplify right side
    360,355.08x = 99,045,709,323.34
  5. Step 5: Solve for x
    x = 99,045,709,323.34/360,355.08
  6. Step 6: Final answer
    x = 274,855.87

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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.