Home / 438,918.25-658,377.69-106,494.25

Finding the Fourth Proportional to 438,918.25, 658,377.69 and 106,494.25

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Solution

The fourth proportional to 438,918.25, 658,377.69 and 106,494.25 is: 159,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,918.25 : 658,377.69 = 106,494.25 : x
  2. Step 2: Convert to fraction form
    438,918.25/658,377.69 = 106,494.25/x
  3. Step 3: Cross multiply
    438,918.25x = 658,377.69 × 106,494.25
  4. Step 4: Simplify right side
    438,918.25x = 70,113,438,313.28
  5. Step 5: Solve for x
    x = 70,113,438,313.28/438,918.25
  6. Step 6: Final answer
    x = 159,741.45

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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.