Home / 238,922.82-358,436.10-72,706.50

Finding the Fourth Proportional to 238,922.82, 358,436.10 and 72,706.50

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Solution

The fourth proportional to 238,922.82, 358,436.10 and 72,706.50 is: 109,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,922.82 : 358,436.10 = 72,706.50 : x
  2. Step 2: Convert to fraction form
    238,922.82/358,436.10 = 72,706.50/x
  3. Step 3: Cross multiply
    238,922.82x = 358,436.10 × 72,706.50
  4. Step 4: Simplify right side
    238,922.82x = 26,060,634,304.65
  5. Step 5: Solve for x
    x = 26,060,634,304.65/238,922.82
  6. Step 6: Final answer
    x = 109,075.53

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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.