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Finding the Fourth Proportional to 200,528.15, 276,702.50 and 119,926.26

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Solution

The fourth proportional to 200,528.15, 276,702.50 and 119,926.26 is: 165,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,528.15 : 276,702.50 = 119,926.26 : x
  2. Step 2: Convert to fraction form
    200,528.15/276,702.50 = 119,926.26/x
  3. Step 3: Cross multiply
    200,528.15x = 276,702.50 × 119,926.26
  4. Step 4: Simplify right side
    200,528.15x = 33,183,896,257.47
  5. Step 5: Solve for x
    x = 33,183,896,257.47/200,528.15
  6. Step 6: Final answer
    x = 165,482.49

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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.