Home / 239,342.42-330,247.04-143,814.26

Finding the Fourth Proportional to 239,342.42, 330,247.04 and 143,814.26

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Solution

The fourth proportional to 239,342.42, 330,247.04 and 143,814.26 is: 198,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,342.42 : 330,247.04 = 143,814.26 : x
  2. Step 2: Convert to fraction form
    239,342.42/330,247.04 = 143,814.26/x
  3. Step 3: Cross multiply
    239,342.42x = 330,247.04 × 143,814.26
  4. Step 4: Simplify right side
    239,342.42x = 47,494,233,674.79
  5. Step 5: Solve for x
    x = 47,494,233,674.79/239,342.42
  6. Step 6: Final answer
    x = 198,436.34

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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.