Home / 238,059.74-357,090.78-80,289.56

Finding the Fourth Proportional to 238,059.74, 357,090.78 and 80,289.56

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Solution

The fourth proportional to 238,059.74, 357,090.78 and 80,289.56 is: 120,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,059.74 : 357,090.78 = 80,289.56 : x
  2. Step 2: Convert to fraction form
    238,059.74/357,090.78 = 80,289.56/x
  3. Step 3: Cross multiply
    238,059.74x = 357,090.78 × 80,289.56
  4. Step 4: Simplify right side
    238,059.74x = 28,670,661,606.26
  5. Step 5: Solve for x
    x = 28,670,661,606.26/238,059.74
  6. Step 6: Final answer
    x = 120,434.73

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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.