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Finding the Fourth Proportional to 281,484.63, 388,476.52 and 160,644.11

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Solution

The fourth proportional to 281,484.63, 388,476.52 and 160,644.11 is: 221,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,484.63 : 388,476.52 = 160,644.11 : x
  2. Step 2: Convert to fraction form
    281,484.63/388,476.52 = 160,644.11/x
  3. Step 3: Cross multiply
    281,484.63x = 388,476.52 × 160,644.11
  4. Step 4: Simplify right side
    281,484.63x = 62,406,463,270.52
  5. Step 5: Solve for x
    x = 62,406,463,270.52/281,484.63
  6. Step 6: Final answer
    x = 221,704.69

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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.