Home / 380,066.49-570,265.07-238,236.77

Finding the Fourth Proportional to 380,066.49, 570,265.07 and 238,236.77

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Solution

The fourth proportional to 380,066.49, 570,265.07 and 238,236.77 is: 357,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,066.49 : 570,265.07 = 238,236.77 : x
  2. Step 2: Convert to fraction form
    380,066.49/570,265.07 = 238,236.77/x
  3. Step 3: Cross multiply
    380,066.49x = 570,265.07 × 238,236.77
  4. Step 4: Simplify right side
    380,066.49x = 135,858,104,278.12
  5. Step 5: Solve for x
    x = 135,858,104,278.12/380,066.49
  6. Step 6: Final answer
    x = 357,458.78

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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.