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Finding the Fourth Proportional to 380,273.39, 524,777.39 and 210,507.51

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Solution

The fourth proportional to 380,273.39, 524,777.39 and 210,507.51 is: 290,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,273.39 : 524,777.39 = 210,507.51 : x
  2. Step 2: Convert to fraction form
    380,273.39/524,777.39 = 210,507.51/x
  3. Step 3: Cross multiply
    380,273.39x = 524,777.39 × 210,507.51
  4. Step 4: Simplify right side
    380,273.39x = 110,469,580,620.66
  5. Step 5: Solve for x
    x = 110,469,580,620.66/380,273.39
  6. Step 6: Final answer
    x = 290,500.43

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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.