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Finding the Fourth Proportional to 345,344.94, 476,532.63 and 192,344.58

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Solution

The fourth proportional to 345,344.94, 476,532.63 and 192,344.58 is: 265,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,344.94 : 476,532.63 = 192,344.58 : x
  2. Step 2: Convert to fraction form
    345,344.94/476,532.63 = 192,344.58/x
  3. Step 3: Cross multiply
    345,344.94x = 476,532.63 × 192,344.58
  4. Step 4: Simplify right side
    345,344.94x = 91,658,468,573.65
  5. Step 5: Solve for x
    x = 91,658,468,573.65/345,344.94
  6. Step 6: Final answer
    x = 265,411.36

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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.