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Finding the Fourth Proportional to 295,739.96, 443,646.79 and 115,802.15

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Solution

The fourth proportional to 295,739.96, 443,646.79 and 115,802.15 is: 173,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,739.96 : 443,646.79 = 115,802.15 : x
  2. Step 2: Convert to fraction form
    295,739.96/443,646.79 = 115,802.15/x
  3. Step 3: Cross multiply
    295,739.96x = 443,646.79 × 115,802.15
  4. Step 4: Simplify right side
    295,739.96x = 51,375,249,614.86
  5. Step 5: Solve for x
    x = 51,375,249,614.86/295,739.96
  6. Step 6: Final answer
    x = 173,717.65

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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.