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Finding the Fourth Proportional to 642,241.42, 963,497.40 and 242,873.36

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Solution

The fourth proportional to 642,241.42, 963,497.40 and 242,873.36 is: 364,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,241.42 : 963,497.40 = 242,873.36 : x
  2. Step 2: Convert to fraction form
    642,241.42/963,497.40 = 242,873.36/x
  3. Step 3: Cross multiply
    642,241.42x = 963,497.40 × 242,873.36
  4. Step 4: Simplify right side
    642,241.42x = 234,007,850,889.26
  5. Step 5: Solve for x
    x = 234,007,850,889.26/642,241.42
  6. Step 6: Final answer
    x = 364,361.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.