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Finding the Fourth Proportional to 293,465.42, 404,962.80 and 162,634.28

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Solution

The fourth proportional to 293,465.42, 404,962.80 and 162,634.28 is: 224,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,465.42 : 404,962.80 = 162,634.28 : x
  2. Step 2: Convert to fraction form
    293,465.42/404,962.80 = 162,634.28/x
  3. Step 3: Cross multiply
    293,465.42x = 404,962.80 × 162,634.28
  4. Step 4: Simplify right side
    293,465.42x = 65,860,831,379.97
  5. Step 5: Solve for x
    x = 65,860,831,379.97/293,465.42
  6. Step 6: Final answer
    x = 224,424.51

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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.