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Finding the Fourth Proportional to 239,242.83, 358,757.60 and 126,897.48

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Solution

The fourth proportional to 239,242.83, 358,757.60 and 126,897.48 is: 190,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,242.83 : 358,757.60 = 126,897.48 : x
  2. Step 2: Convert to fraction form
    239,242.83/358,757.60 = 126,897.48/x
  3. Step 3: Cross multiply
    239,242.83x = 358,757.60 × 126,897.48
  4. Step 4: Simplify right side
    239,242.83x = 45,525,434,736.36
  5. Step 5: Solve for x
    x = 45,525,434,736.36/239,242.83
  6. Step 6: Final answer
    x = 190,289.65

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1.5x scale

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.