Home / 252,019.75-378,040.26-117,210.34

Finding the Fourth Proportional to 252,019.75, 378,040.26 and 117,210.34

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Solution

The fourth proportional to 252,019.75, 378,040.26 and 117,210.34 is: 175,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,019.75 : 378,040.26 = 117,210.34 : x
  2. Step 2: Convert to fraction form
    252,019.75/378,040.26 = 117,210.34/x
  3. Step 3: Cross multiply
    252,019.75x = 378,040.26 × 117,210.34
  4. Step 4: Simplify right side
    252,019.75x = 44,310,224,932.04
  5. Step 5: Solve for x
    x = 44,310,224,932.04/252,019.75
  6. Step 6: Final answer
    x = 175,820.45

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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.