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Finding the Fourth Proportional to 345,262.91, 476,461.33 and 192,302.91

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Solution

The fourth proportional to 345,262.91, 476,461.33 and 192,302.91 is: 265,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,262.91 : 476,461.33 = 192,302.91 : x
  2. Step 2: Convert to fraction form
    345,262.91/476,461.33 = 192,302.91/x
  3. Step 3: Cross multiply
    345,262.91x = 476,461.33 × 192,302.91
  4. Step 4: Simplify right side
    345,262.91x = 91,624,900,261.47
  5. Step 5: Solve for x
    x = 91,624,900,261.47/345,262.91
  6. Step 6: Final answer
    x = 265,377.19

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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.