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Finding the Fourth Proportional to 238,483.33, 329,035.22 and 142,955.17

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Solution

The fourth proportional to 238,483.33, 329,035.22 and 142,955.17 is: 197,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,483.33 : 329,035.22 = 142,955.17 : x
  2. Step 2: Convert to fraction form
    238,483.33/329,035.22 = 142,955.17/x
  3. Step 3: Cross multiply
    238,483.33x = 329,035.22 × 142,955.17
  4. Step 4: Simplify right side
    238,483.33x = 47,037,285,811.09
  5. Step 5: Solve for x
    x = 47,037,285,811.09/238,483.33
  6. Step 6: Final answer
    x = 197,235.11

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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.