Home / 345,111.33-476,247.95-201,895.64

Finding the Fourth Proportional to 345,111.33, 476,247.95 and 201,895.64

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Solution

The fourth proportional to 345,111.33, 476,247.95 and 201,895.64 is: 278,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,111.33 : 476,247.95 = 201,895.64 : x
  2. Step 2: Convert to fraction form
    345,111.33/476,247.95 = 201,895.64/x
  3. Step 3: Cross multiply
    345,111.33x = 476,247.95 × 201,895.64
  4. Step 4: Simplify right side
    345,111.33x = 96,152,384,951.92
  5. Step 5: Solve for x
    x = 96,152,384,951.92/345,111.33
  6. Step 6: Final answer
    x = 278,612.65

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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.