Home / 266,511.06-399,976.38-124,283.16

Finding the Fourth Proportional to 266,511.06, 399,976.38 and 124,283.16

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Solution

The fourth proportional to 266,511.06, 399,976.38 and 124,283.16 is: 186,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,511.06 : 399,976.38 = 124,283.16 : x
  2. Step 2: Convert to fraction form
    266,511.06/399,976.38 = 124,283.16/x
  3. Step 3: Cross multiply
    266,511.06x = 399,976.38 × 124,283.16
  4. Step 4: Simplify right side
    266,511.06x = 49,710,328,431.76
  5. Step 5: Solve for x
    x = 49,710,328,431.76/266,511.06
  6. Step 6: Final answer
    x = 186,522.57

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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.