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Finding the Fourth Proportional to 219,658.53, 329,111.57 and 119,888.67

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Solution

The fourth proportional to 219,658.53, 329,111.57 and 119,888.67 is: 179,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,658.53 : 329,111.57 = 119,888.67 : x
  2. Step 2: Convert to fraction form
    219,658.53/329,111.57 = 119,888.67/x
  3. Step 3: Cross multiply
    219,658.53x = 329,111.57 × 119,888.67
  4. Step 4: Simplify right side
    219,658.53x = 39,456,747,809.47
  5. Step 5: Solve for x
    x = 39,456,747,809.47/219,658.53
  6. Step 6: Final answer
    x = 179,627.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.