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Finding the Fourth Proportional to 292,843.74, 439,297.86 and 93,117.42

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Solution

The fourth proportional to 292,843.74, 439,297.86 and 93,117.42 is: 139,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,843.74 : 439,297.86 = 93,117.42 : x
  2. Step 2: Convert to fraction form
    292,843.74/439,297.86 = 93,117.42/x
  3. Step 3: Cross multiply
    292,843.74x = 439,297.86 × 93,117.42
  4. Step 4: Simplify right side
    292,843.74x = 40,906,283,334.72
  5. Step 5: Solve for x
    x = 40,906,283,334.72/292,843.74
  6. Step 6: Final answer
    x = 139,686.38

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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.