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Finding the Fourth Proportional to 438,360.83, 657,546.02 and 154,059.48

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Solution

The fourth proportional to 438,360.83, 657,546.02 and 154,059.48 is: 231,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,360.83 : 657,546.02 = 154,059.48 : x
  2. Step 2: Convert to fraction form
    438,360.83/657,546.02 = 154,059.48/x
  3. Step 3: Cross multiply
    438,360.83x = 657,546.02 × 154,059.48
  4. Step 4: Simplify right side
    438,360.83x = 101,301,197,724.70
  5. Step 5: Solve for x
    x = 101,301,197,724.70/438,360.83
  6. Step 6: Final answer
    x = 231,090.90

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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.