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Finding the Fourth Proportional to 355,141.08, 490,075.92 and 193,993.80

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Solution

The fourth proportional to 355,141.08, 490,075.92 and 193,993.80 is: 267,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,141.08 : 490,075.92 = 193,993.80 : x
  2. Step 2: Convert to fraction form
    355,141.08/490,075.92 = 193,993.80/x
  3. Step 3: Cross multiply
    355,141.08x = 490,075.92 × 193,993.80
  4. Step 4: Simplify right side
    355,141.08x = 95,071,690,009.30
  5. Step 5: Solve for x
    x = 95,071,690,009.30/355,141.08
  6. Step 6: Final answer
    x = 267,701.19

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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.