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Finding the Fourth Proportional to 345,604.93, 476,944.91 and 202,351.57

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Solution

The fourth proportional to 345,604.93, 476,944.91 and 202,351.57 is: 279,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,604.93 : 476,944.91 = 202,351.57 : x
  2. Step 2: Convert to fraction form
    345,604.93/476,944.91 = 202,351.57/x
  3. Step 3: Cross multiply
    345,604.93x = 476,944.91 × 202,351.57
  4. Step 4: Simplify right side
    345,604.93x = 96,510,549,896.71
  5. Step 5: Solve for x
    x = 96,510,549,896.71/345,604.93
  6. Step 6: Final answer
    x = 279,251.08

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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.