Home / 457,163.43-630,878.57-250,430.16

Finding the Fourth Proportional to 457,163.43, 630,878.57 and 250,430.16

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Solution

The fourth proportional to 457,163.43, 630,878.57 and 250,430.16 is: 345,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,163.43 : 630,878.57 = 250,430.16 : x
  2. Step 2: Convert to fraction form
    457,163.43/630,878.57 = 250,430.16/x
  3. Step 3: Cross multiply
    457,163.43x = 630,878.57 × 250,430.16
  4. Step 4: Simplify right side
    457,163.43x = 157,991,019,973.52
  5. Step 5: Solve for x
    x = 157,991,019,973.52/457,163.43
  6. Step 6: Final answer
    x = 345,589.80

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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.