Home / 351,971.04-528,033.06-115,304.88

Finding the Fourth Proportional to 351,971.04, 528,033.06 and 115,304.88

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Solution

The fourth proportional to 351,971.04, 528,033.06 and 115,304.88 is: 172,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,971.04 : 528,033.06 = 115,304.88 : x
  2. Step 2: Convert to fraction form
    351,971.04/528,033.06 = 115,304.88/x
  3. Step 3: Cross multiply
    351,971.04x = 528,033.06 × 115,304.88
  4. Step 4: Simplify right side
    351,971.04x = 60,884,788,619.33
  5. Step 5: Solve for x
    x = 60,884,788,619.33/351,971.04
  6. Step 6: Final answer
    x = 172,982.38

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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.