Home / 314,699.44-472,090.32-115,113.80

Finding the Fourth Proportional to 314,699.44, 472,090.32 and 115,113.80

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Solution

The fourth proportional to 314,699.44, 472,090.32 and 115,113.80 is: 172,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,699.44 : 472,090.32 = 115,113.80 : x
  2. Step 2: Convert to fraction form
    314,699.44/472,090.32 = 115,113.80/x
  3. Step 3: Cross multiply
    314,699.44x = 472,090.32 × 115,113.80
  4. Step 4: Simplify right side
    314,699.44x = 54,344,110,678.42
  5. Step 5: Solve for x
    x = 54,344,110,678.42/314,699.44
  6. Step 6: Final answer
    x = 172,685.76

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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.