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Finding the Fourth Proportional to 307,607.90, 460,578.08 and 159,552.86

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Solution

The fourth proportional to 307,607.90, 460,578.08 and 159,552.86 is: 238,896.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,607.90 : 460,578.08 = 159,552.86 : x
  2. Step 2: Convert to fraction form
    307,607.90/460,578.08 = 159,552.86/x
  3. Step 3: Cross multiply
    307,607.90x = 460,578.08 × 159,552.86
  4. Step 4: Simplify right side
    307,607.90x = 73,486,549,917.31
  5. Step 5: Solve for x
    x = 73,486,549,917.31/307,607.90
  6. Step 6: Final answer
    x = 238,896.82

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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.