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Finding the Fourth Proportional to 245,808, 368,369.10 and 185,787.18

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Solution

The fourth proportional to 245,808, 368,369.10 and 185,787.18 is: 278,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,808 : 368,369.10 = 185,787.18 : x
  2. Step 2: Convert to fraction form
    245,808/368,369.10 = 185,787.18/x
  3. Step 3: Cross multiply
    245,808x = 368,369.10 × 185,787.18
  4. Step 4: Simplify right side
    245,808x = 68,438,256,288.14
  5. Step 5: Solve for x
    x = 68,438,256,288.14/245,808
  6. Step 6: Final answer
    x = 278,421.60

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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.