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Finding the Fourth Proportional to 362,505.08, 500,191.07 and 209,487.20

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Solution

The fourth proportional to 362,505.08, 500,191.07 and 209,487.20 is: 289,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,505.08 : 500,191.07 = 209,487.20 : x
  2. Step 2: Convert to fraction form
    362,505.08/500,191.07 = 209,487.20/x
  3. Step 3: Cross multiply
    362,505.08x = 500,191.07 × 209,487.20
  4. Step 4: Simplify right side
    362,505.08x = 104,783,623,170.91
  5. Step 5: Solve for x
    x = 104,783,623,170.91/362,505.08
  6. Step 6: Final answer
    x = 289,054.22

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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.