Home / 457,177.12-630,914.66-260,939.69

Finding the Fourth Proportional to 457,177.12, 630,914.66 and 260,939.69

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Solution

The fourth proportional to 457,177.12, 630,914.66 and 260,939.69 is: 360,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,177.12 : 630,914.66 = 260,939.69 : x
  2. Step 2: Convert to fraction form
    457,177.12/630,914.66 = 260,939.69/x
  3. Step 3: Cross multiply
    457,177.12x = 630,914.66 × 260,939.69
  4. Step 4: Simplify right side
    457,177.12x = 164,630,675,796.86
  5. Step 5: Solve for x
    x = 164,630,675,796.86/457,177.12
  6. Step 6: Final answer
    x = 360,102.61

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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.