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Finding the Fourth Proportional to 379,334.80, 569,084.40 and 201,816.16

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Solution

The fourth proportional to 379,334.80, 569,084.40 and 201,816.16 is: 302,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,334.80 : 569,084.40 = 201,816.16 : x
  2. Step 2: Convert to fraction form
    379,334.80/569,084.40 = 201,816.16/x
  3. Step 3: Cross multiply
    379,334.80x = 569,084.40 × 201,816.16
  4. Step 4: Simplify right side
    379,334.80x = 114,850,428,323.90
  5. Step 5: Solve for x
    x = 114,850,428,323.90/379,334.80
  6. Step 6: Final answer
    x = 302,767.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.