Home / 274,623.80-411,935.70-116,857.40

Finding the Fourth Proportional to 274,623.80, 411,935.70 and 116,857.40

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Solution

The fourth proportional to 274,623.80, 411,935.70 and 116,857.40 is: 175,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,623.80 : 411,935.70 = 116,857.40 : x
  2. Step 2: Convert to fraction form
    274,623.80/411,935.70 = 116,857.40/x
  3. Step 3: Cross multiply
    274,623.80x = 411,935.70 × 116,857.40
  4. Step 4: Simplify right side
    274,623.80x = 48,137,734,869.18
  5. Step 5: Solve for x
    x = 48,137,734,869.18/274,623.80
  6. Step 6: Final answer
    x = 175,286.10

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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.