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Finding the Fourth Proportional to 369,662.67, 510,113.23 and 208,508.11

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Solution

The fourth proportional to 369,662.67, 510,113.23 and 208,508.11 is: 287,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,662.67 : 510,113.23 = 208,508.11 : x
  2. Step 2: Convert to fraction form
    369,662.67/510,113.23 = 208,508.11/x
  3. Step 3: Cross multiply
    369,662.67x = 510,113.23 × 208,508.11
  4. Step 4: Simplify right side
    369,662.67x = 106,362,743,676.74
  5. Step 5: Solve for x
    x = 106,362,743,676.74/369,662.67
  6. Step 6: Final answer
    x = 287,729.20

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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.