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Finding the Fourth Proportional to 281,764.70, 388,875.16 and 174,369.33

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Solution

The fourth proportional to 281,764.70, 388,875.16 and 174,369.33 is: 240,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,764.70 : 388,875.16 = 174,369.33 : x
  2. Step 2: Convert to fraction form
    281,764.70/388,875.16 = 174,369.33/x
  3. Step 3: Cross multiply
    281,764.70x = 388,875.16 × 174,369.33
  4. Step 4: Simplify right side
    281,764.70x = 67,807,901,102.84
  5. Step 5: Solve for x
    x = 67,807,901,102.84/281,764.70
  6. Step 6: Final answer
    x = 240,654.35

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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.