Home / 347,110.64-521,147.81-178,751.33

Finding the Fourth Proportional to 347,110.64, 521,147.81 and 178,751.33

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Solution

The fourth proportional to 347,110.64, 521,147.81 and 178,751.33 is: 268,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,110.64 : 521,147.81 = 178,751.33 : x
  2. Step 2: Convert to fraction form
    347,110.64/521,147.81 = 178,751.33/x
  3. Step 3: Cross multiply
    347,110.64x = 521,147.81 × 178,751.33
  4. Step 4: Simplify right side
    347,110.64x = 93,155,862,005.23
  5. Step 5: Solve for x
    x = 93,155,862,005.23/347,110.64
  6. Step 6: Final answer
    x = 268,375.13

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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.