Home / 439,974.17-607,164.36-238,770.17

Finding the Fourth Proportional to 439,974.17, 607,164.36 and 238,770.17

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Solution

The fourth proportional to 439,974.17, 607,164.36 and 238,770.17 is: 329,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,974.17 : 607,164.36 = 238,770.17 : x
  2. Step 2: Convert to fraction form
    439,974.17/607,164.36 = 238,770.17/x
  3. Step 3: Cross multiply
    439,974.17x = 607,164.36 × 238,770.17
  4. Step 4: Simplify right side
    439,974.17x = 144,972,737,455.14
  5. Step 5: Solve for x
    x = 144,972,737,455.14/439,974.17
  6. Step 6: Final answer
    x = 329,502.84

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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.