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Finding the Fourth Proportional to 335,937.70, 503,906.55 and 125,548.30

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Solution

The fourth proportional to 335,937.70, 503,906.55 and 125,548.30 is: 188,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,937.70 : 503,906.55 = 125,548.30 : x
  2. Step 2: Convert to fraction form
    335,937.70/503,906.55 = 125,548.30/x
  3. Step 3: Cross multiply
    335,937.70x = 503,906.55 × 125,548.30
  4. Step 4: Simplify right side
    335,937.70x = 63,264,610,711.37
  5. Step 5: Solve for x
    x = 63,264,610,711.37/335,937.70
  6. Step 6: Final answer
    x = 188,322.45

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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.