Home / 238,982.67-358,390.47-70,458.26

Finding the Fourth Proportional to 238,982.67, 358,390.47 and 70,458.26

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Solution

The fourth proportional to 238,982.67, 358,390.47 and 70,458.26 is: 105,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,982.67 : 358,390.47 = 70,458.26 : x
  2. Step 2: Convert to fraction form
    238,982.67/358,390.47 = 70,458.26/x
  3. Step 3: Cross multiply
    238,982.67x = 358,390.47 × 70,458.26
  4. Step 4: Simplify right side
    238,982.67x = 25,251,567,389.05
  5. Step 5: Solve for x
    x = 25,251,567,389.05/238,982.67
  6. Step 6: Final answer
    x = 105,662.76

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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.