Home / 457,029.20-630,700.62-250,296.50

Finding the Fourth Proportional to 457,029.20, 630,700.62 and 250,296.50

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Solution

The fourth proportional to 457,029.20, 630,700.62 and 250,296.50 is: 345,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,029.20 : 630,700.62 = 250,296.50 : x
  2. Step 2: Convert to fraction form
    457,029.20/630,700.62 = 250,296.50/x
  3. Step 3: Cross multiply
    457,029.20x = 630,700.62 × 250,296.50
  4. Step 4: Simplify right side
    457,029.20x = 157,862,157,733.83
  5. Step 5: Solve for x
    x = 157,862,157,733.83/457,029.20
  6. Step 6: Final answer
    x = 345,409.35

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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.