Home / 345,482.76-476,781-192,521.16

Finding the Fourth Proportional to 345,482.76, 476,781 and 192,521.16

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Solution

The fourth proportional to 345,482.76, 476,781 and 192,521.16 is: 265,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,482.76 : 476,781 = 192,521.16 : x
  2. Step 2: Convert to fraction form
    345,482.76/476,781 = 192,521.16/x
  3. Step 3: Cross multiply
    345,482.76x = 476,781 × 192,521.16
  4. Step 4: Simplify right side
    345,482.76x = 91,790,431,185.96
  5. Step 5: Solve for x
    x = 91,790,431,185.96/345,482.76
  6. Step 6: Final answer
    x = 265,687.44

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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.