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Finding the Fourth Proportional to 216,065.84, 298,170.88 and 119,269.72

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Solution

The fourth proportional to 216,065.84, 298,170.88 and 119,269.72 is: 164,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,065.84 : 298,170.88 = 119,269.72 : x
  2. Step 2: Convert to fraction form
    216,065.84/298,170.88 = 119,269.72/x
  3. Step 3: Cross multiply
    216,065.84x = 298,170.88 × 119,269.72
  4. Step 4: Simplify right side
    216,065.84x = 35,562,757,369.75
  5. Step 5: Solve for x
    x = 35,562,757,369.75/216,065.84
  6. Step 6: Final answer
    x = 164,592.23

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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.