Home / 344,664.72-516,997.26-157,545

Finding the Fourth Proportional to 344,664.72, 516,997.26 and 157,545

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Solution

The fourth proportional to 344,664.72, 516,997.26 and 157,545 is: 236,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,664.72 : 516,997.26 = 157,545 : x
  2. Step 2: Convert to fraction form
    344,664.72/516,997.26 = 157,545/x
  3. Step 3: Cross multiply
    344,664.72x = 516,997.26 × 157,545
  4. Step 4: Simplify right side
    344,664.72x = 81,450,333,326.70
  5. Step 5: Solve for x
    x = 81,450,333,326.70/344,664.72
  6. Step 6: Final answer
    x = 236,317.58

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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.