Home / 291,731.39-437,347.48-111,945.83

Finding the Fourth Proportional to 291,731.39, 437,347.48 and 111,945.83

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Solution

The fourth proportional to 291,731.39, 437,347.48 and 111,945.83 is: 167,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,731.39 : 437,347.48 = 111,945.83 : x
  2. Step 2: Convert to fraction form
    291,731.39/437,347.48 = 111,945.83/x
  3. Step 3: Cross multiply
    291,731.39x = 437,347.48 × 111,945.83
  4. Step 4: Simplify right side
    291,731.39x = 48,959,226,647.01
  5. Step 5: Solve for x
    x = 48,959,226,647.01/291,731.39
  6. Step 6: Final answer
    x = 167,822.96

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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.