Home / 238,640.07-357,976.51-70,164.52

Finding the Fourth Proportional to 238,640.07, 357,976.51 and 70,164.52

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Solution

The fourth proportional to 238,640.07, 357,976.51 and 70,164.52 is: 105,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,640.07 : 357,976.51 = 70,164.52 : x
  2. Step 2: Convert to fraction form
    238,640.07/357,976.51 = 70,164.52/x
  3. Step 3: Cross multiply
    238,640.07x = 357,976.51 × 70,164.52
  4. Step 4: Simplify right side
    238,640.07x = 25,117,250,539.54
  5. Step 5: Solve for x
    x = 25,117,250,539.54/238,640.07
  6. Step 6: Final answer
    x = 105,251.61

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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.