Home / 238,031.34-328,493.52-142,519.79

Finding the Fourth Proportional to 238,031.34, 328,493.52 and 142,519.79

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Solution

The fourth proportional to 238,031.34, 328,493.52 and 142,519.79 is: 196,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,031.34 : 328,493.52 = 142,519.79 : x
  2. Step 2: Convert to fraction form
    238,031.34/328,493.52 = 142,519.79/x
  3. Step 3: Cross multiply
    238,031.34x = 328,493.52 × 142,519.79
  4. Step 4: Simplify right side
    238,031.34x = 46,816,825,844.29
  5. Step 5: Solve for x
    x = 46,816,825,844.29/238,031.34
  6. Step 6: Final answer
    x = 196,683.45

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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.