Home / 461,057.23-636,261.75-257,121.04

Finding the Fourth Proportional to 461,057.23, 636,261.75 and 257,121.04

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Solution

The fourth proportional to 461,057.23, 636,261.75 and 257,121.04 is: 354,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,057.23 : 636,261.75 = 257,121.04 : x
  2. Step 2: Convert to fraction form
    461,057.23/636,261.75 = 257,121.04/x
  3. Step 3: Cross multiply
    461,057.23x = 636,261.75 × 257,121.04
  4. Step 4: Simplify right side
    461,057.23x = 163,596,283,667.55
  5. Step 5: Solve for x
    x = 163,596,283,667.55/461,057.23
  6. Step 6: Final answer
    x = 354,828.59

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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.