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Finding the Fourth Proportional to 295,680.39, 443,360.79 and 93,238.31

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Solution

The fourth proportional to 295,680.39, 443,360.79 and 93,238.31 is: 139,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,680.39 : 443,360.79 = 93,238.31 : x
  2. Step 2: Convert to fraction form
    295,680.39/443,360.79 = 93,238.31/x
  3. Step 3: Cross multiply
    295,680.39x = 443,360.79 × 93,238.31
  4. Step 4: Simplify right side
    295,680.39x = 41,338,208,563.06
  5. Step 5: Solve for x
    x = 41,338,208,563.06/295,680.39
  6. Step 6: Final answer
    x = 139,807.07

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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.