Home / 431,457.18-647,477.37-150,976.86

Finding the Fourth Proportional to 431,457.18, 647,477.37 and 150,976.86

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Solution

The fourth proportional to 431,457.18, 647,477.37 and 150,976.86 is: 226,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,457.18 : 647,477.37 = 150,976.86 : x
  2. Step 2: Convert to fraction form
    431,457.18/647,477.37 = 150,976.86/x
  3. Step 3: Cross multiply
    431,457.18x = 647,477.37 × 150,976.86
  4. Step 4: Simplify right side
    431,457.18x = 97,754,100,243.66
  5. Step 5: Solve for x
    x = 97,754,100,243.66/431,457.18
  6. Step 6: Final answer
    x = 226,567.33

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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.