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Finding the Fourth Proportional to 380,546.46, 524,955.01 and 235,305.81

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Solution

The fourth proportional to 380,546.46, 524,955.01 and 235,305.81 is: 324,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,546.46 : 524,955.01 = 235,305.81 : x
  2. Step 2: Convert to fraction form
    380,546.46/524,955.01 = 235,305.81/x
  3. Step 3: Cross multiply
    380,546.46x = 524,955.01 × 235,305.81
  4. Step 4: Simplify right side
    380,546.46x = 123,524,963,841.61
  5. Step 5: Solve for x
    x = 123,524,963,841.61/380,546.46
  6. Step 6: Final answer
    x = 324,598.90

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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.