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Finding the Fourth Proportional to 334,887.75, 462,145.28 and 183,994.47

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Solution

The fourth proportional to 334,887.75, 462,145.28 and 183,994.47 is: 253,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,887.75 : 462,145.28 = 183,994.47 : x
  2. Step 2: Convert to fraction form
    334,887.75/462,145.28 = 183,994.47/x
  3. Step 3: Cross multiply
    334,887.75x = 462,145.28 × 183,994.47
  4. Step 4: Simplify right side
    334,887.75x = 85,032,174,936.63
  5. Step 5: Solve for x
    x = 85,032,174,936.63/334,887.75
  6. Step 6: Final answer
    x = 253,912.47

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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.