Home / 238,460.40-329,103.96-143,019.60

Finding the Fourth Proportional to 238,460.40, 329,103.96 and 143,019.60

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Solution

The fourth proportional to 238,460.40, 329,103.96 and 143,019.60 is: 197,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,460.40 : 329,103.96 = 143,019.60 : x
  2. Step 2: Convert to fraction form
    238,460.40/329,103.96 = 143,019.60/x
  3. Step 3: Cross multiply
    238,460.40x = 329,103.96 × 143,019.60
  4. Step 4: Simplify right side
    238,460.40x = 47,068,316,717.62
  5. Step 5: Solve for x
    x = 47,068,316,717.62/238,460.40
  6. Step 6: Final answer
    x = 197,384.21

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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.