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Finding the Fourth Proportional to 239,840.88, 359,698.59 and 71,315.79

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Solution

The fourth proportional to 239,840.88, 359,698.59 and 71,315.79 is: 106,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,840.88 : 359,698.59 = 71,315.79 : x
  2. Step 2: Convert to fraction form
    239,840.88/359,698.59 = 71,315.79/x
  3. Step 3: Cross multiply
    239,840.88x = 359,698.59 × 71,315.79
  4. Step 4: Simplify right side
    239,840.88x = 25,652,189,107.74
  5. Step 5: Solve for x
    x = 25,652,189,107.74/239,840.88
  6. Step 6: Final answer
    x = 106,955.03

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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.