Home / 238,735.50-329,457.75-131,307.30

Finding the Fourth Proportional to 238,735.50, 329,457.75 and 131,307.30

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Solution

The fourth proportional to 238,735.50, 329,457.75 and 131,307.30 is: 181,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,735.50 : 329,457.75 = 131,307.30 : x
  2. Step 2: Convert to fraction form
    238,735.50/329,457.75 = 131,307.30/x
  3. Step 3: Cross multiply
    238,735.50x = 329,457.75 × 131,307.30
  4. Step 4: Simplify right side
    238,735.50x = 43,260,207,616.58
  5. Step 5: Solve for x
    x = 43,260,207,616.58/238,735.50
  6. Step 6: Final answer
    x = 181,205.59

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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.