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Finding the Fourth Proportional to 496,846.36, 685,647.95 and 270,491.86

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Solution

The fourth proportional to 496,846.36, 685,647.95 and 270,491.86 is: 373,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,846.36 : 685,647.95 = 270,491.86 : x
  2. Step 2: Convert to fraction form
    496,846.36/685,647.95 = 270,491.86/x
  3. Step 3: Cross multiply
    496,846.36x = 685,647.95 × 270,491.86
  4. Step 4: Simplify right side
    496,846.36x = 185,462,189,300.69
  5. Step 5: Solve for x
    x = 185,462,189,300.69/496,846.36
  6. Step 6: Final answer
    x = 373,278.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.