Home / 281,538.40-388,521.06-152,473.90

Finding the Fourth Proportional to 281,538.40, 388,521.06 and 152,473.90

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Solution

The fourth proportional to 281,538.40, 388,521.06 and 152,473.90 is: 210,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,538.40 : 388,521.06 = 152,473.90 : x
  2. Step 2: Convert to fraction form
    281,538.40/388,521.06 = 152,473.90/x
  3. Step 3: Cross multiply
    281,538.40x = 388,521.06 × 152,473.90
  4. Step 4: Simplify right side
    281,538.40x = 59,239,321,250.33
  5. Step 5: Solve for x
    x = 59,239,321,250.33/281,538.40
  6. Step 6: Final answer
    x = 210,412.94

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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.