Home / 399,077.20-598,615.74-266,216.92

Finding the Fourth Proportional to 399,077.20, 598,615.74 and 266,216.92

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Solution

The fourth proportional to 399,077.20, 598,615.74 and 266,216.92 is: 399,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,077.20 : 598,615.74 = 266,216.92 : x
  2. Step 2: Convert to fraction form
    399,077.20/598,615.74 = 266,216.92/x
  3. Step 3: Cross multiply
    399,077.20x = 598,615.74 × 266,216.92
  4. Step 4: Simplify right side
    399,077.20x = 159,361,638,566.32
  5. Step 5: Solve for x
    x = 159,361,638,566.32/399,077.20
  6. Step 6: Final answer
    x = 399,325.34

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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.