Home / 281,196.46-388,051.05-153,872.02

Finding the Fourth Proportional to 281,196.46, 388,051.05 and 153,872.02

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Solution

The fourth proportional to 281,196.46, 388,051.05 and 153,872.02 is: 212,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,196.46 : 388,051.05 = 153,872.02 : x
  2. Step 2: Convert to fraction form
    281,196.46/388,051.05 = 153,872.02/x
  3. Step 3: Cross multiply
    281,196.46x = 388,051.05 × 153,872.02
  4. Step 4: Simplify right side
    281,196.46x = 59,710,198,926.62
  5. Step 5: Solve for x
    x = 59,710,198,926.62/281,196.46
  6. Step 6: Final answer
    x = 212,343.35

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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.