Home / 345,273.66-476,492.35-192,311.81

Finding the Fourth Proportional to 345,273.66, 476,492.35 and 192,311.81

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Solution

The fourth proportional to 345,273.66, 476,492.35 and 192,311.81 is: 265,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,273.66 : 476,492.35 = 192,311.81 : x
  2. Step 2: Convert to fraction form
    345,273.66/476,492.35 = 192,311.81/x
  3. Step 3: Cross multiply
    345,273.66x = 476,492.35 × 192,311.81
  4. Step 4: Simplify right side
    345,273.66x = 91,635,106,279.65
  5. Step 5: Solve for x
    x = 91,635,106,279.65/345,273.66
  6. Step 6: Final answer
    x = 265,398.49

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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.