Home / 428,195.11-590,881.54-234,602.56

Finding the Fourth Proportional to 428,195.11, 590,881.54 and 234,602.56

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Solution

The fourth proportional to 428,195.11, 590,881.54 and 234,602.56 is: 323,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,195.11 : 590,881.54 = 234,602.56 : x
  2. Step 2: Convert to fraction form
    428,195.11/590,881.54 = 234,602.56/x
  3. Step 3: Cross multiply
    428,195.11x = 590,881.54 × 234,602.56
  4. Step 4: Simplify right side
    428,195.11x = 138,622,319,868.83
  5. Step 5: Solve for x
    x = 138,622,319,868.83/428,195.11
  6. Step 6: Final answer
    x = 323,736.34

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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.