Home / 239,309.40-330,365.07-163,223.67

Finding the Fourth Proportional to 239,309.40, 330,365.07 and 163,223.67

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Solution

The fourth proportional to 239,309.40, 330,365.07 and 163,223.67 is: 225,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,309.40 : 330,365.07 = 163,223.67 : x
  2. Step 2: Convert to fraction form
    239,309.40/330,365.07 = 163,223.67/x
  3. Step 3: Cross multiply
    239,309.40x = 330,365.07 × 163,223.67
  4. Step 4: Simplify right side
    239,309.40x = 53,923,399,165.21
  5. Step 5: Solve for x
    x = 53,923,399,165.21/239,309.40
  6. Step 6: Final answer
    x = 225,329.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.