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Finding the Fourth Proportional to 369,689.67, 510,167.84 and 208,597.14

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Solution

The fourth proportional to 369,689.67, 510,167.84 and 208,597.14 is: 287,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,689.67 : 510,167.84 = 208,597.14 : x
  2. Step 2: Convert to fraction form
    369,689.67/510,167.84 = 208,597.14/x
  3. Step 3: Cross multiply
    369,689.67x = 510,167.84 × 208,597.14
  4. Step 4: Simplify right side
    369,689.67x = 106,419,551,300.99
  5. Step 5: Solve for x
    x = 106,419,551,300.99/369,689.67
  6. Step 6: Final answer
    x = 287,861.85

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1.5x scale

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.