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Finding the Fourth Proportional to 309,702.82, 464,240.49 and 209,873.11

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Solution

The fourth proportional to 309,702.82, 464,240.49 and 209,873.11 is: 314,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,702.82 : 464,240.49 = 209,873.11 : x
  2. Step 2: Convert to fraction form
    309,702.82/464,240.49 = 209,873.11/x
  3. Step 3: Cross multiply
    309,702.82x = 464,240.49 × 209,873.11
  4. Step 4: Simplify right side
    309,702.82x = 97,431,595,424.22
  5. Step 5: Solve for x
    x = 97,431,595,424.22/309,702.82
  6. Step 6: Final answer
    x = 314,597.06

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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.