Home / 345,384.90-476,655.57-192,433.14

Finding the Fourth Proportional to 345,384.90, 476,655.57 and 192,433.14

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Solution

The fourth proportional to 345,384.90, 476,655.57 and 192,433.14 is: 265,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,384.90 : 476,655.57 = 192,433.14 : x
  2. Step 2: Convert to fraction form
    345,384.90/476,655.57 = 192,433.14/x
  3. Step 3: Cross multiply
    345,384.90x = 476,655.57 × 192,433.14
  4. Step 4: Simplify right side
    345,384.90x = 91,724,328,033.59
  5. Step 5: Solve for x
    x = 91,724,328,033.59/345,384.90
  6. Step 6: Final answer
    x = 265,571.33

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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.