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Finding the Fourth Proportional to 458,801.17, 687,822.83 and 202,451.21

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Solution

The fourth proportional to 458,801.17, 687,822.83 and 202,451.21 is: 303,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,801.17 : 687,822.83 = 202,451.21 : x
  2. Step 2: Convert to fraction form
    458,801.17/687,822.83 = 202,451.21/x
  3. Step 3: Cross multiply
    458,801.17x = 687,822.83 × 202,451.21
  4. Step 4: Simplify right side
    458,801.17x = 139,250,564,199.12
  5. Step 5: Solve for x
    x = 139,250,564,199.12/458,801.17
  6. Step 6: Final answer
    x = 303,509.61

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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.