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Finding the Fourth Proportional to 238,466.70, 329,077.35 and 131,036.67

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Solution

The fourth proportional to 238,466.70, 329,077.35 and 131,036.67 is: 180,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,466.70 : 329,077.35 = 131,036.67 : x
  2. Step 2: Convert to fraction form
    238,466.70/329,077.35 = 131,036.67/x
  3. Step 3: Cross multiply
    238,466.70x = 329,077.35 × 131,036.67
  4. Step 4: Simplify right side
    238,466.70x = 43,121,200,116.42
  5. Step 5: Solve for x
    x = 43,121,200,116.42/238,466.70
  6. Step 6: Final answer
    x = 180,826.93

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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.