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Finding the Fourth Proportional to 605,585.90, 907,699.92 and 245,673.14

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Solution

The fourth proportional to 605,585.90, 907,699.92 and 245,673.14 is: 368,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,585.90 : 907,699.92 = 245,673.14 : x
  2. Step 2: Convert to fraction form
    605,585.90/907,699.92 = 245,673.14/x
  3. Step 3: Cross multiply
    605,585.90x = 907,699.92 × 245,673.14
  4. Step 4: Simplify right side
    605,585.90x = 222,997,484,985.65
  5. Step 5: Solve for x
    x = 222,997,484,985.65/605,585.90
  6. Step 6: Final answer
    x = 368,234.28

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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.