Home / 341,384.18-511,912.69-161,319.74

Finding the Fourth Proportional to 341,384.18, 511,912.69 and 161,319.74

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Solution

The fourth proportional to 341,384.18, 511,912.69 and 161,319.74 is: 241,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,384.18 : 511,912.69 = 161,319.74 : x
  2. Step 2: Convert to fraction form
    341,384.18/511,912.69 = 161,319.74/x
  3. Step 3: Cross multiply
    341,384.18x = 511,912.69 × 161,319.74
  4. Step 4: Simplify right side
    341,384.18x = 82,581,619,090.64
  5. Step 5: Solve for x
    x = 82,581,619,090.64/341,384.18
  6. Step 6: Final answer
    x = 241,902.31

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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.