Home / 430,781.46-646,467.44-150,298.72

Finding the Fourth Proportional to 430,781.46, 646,467.44 and 150,298.72

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Solution

The fourth proportional to 430,781.46, 646,467.44 and 150,298.72 is: 225,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,781.46 : 646,467.44 = 150,298.72 : x
  2. Step 2: Convert to fraction form
    430,781.46/646,467.44 = 150,298.72/x
  3. Step 3: Cross multiply
    430,781.46x = 646,467.44 × 150,298.72
  4. Step 4: Simplify right side
    430,781.46x = 97,163,228,753.68
  5. Step 5: Solve for x
    x = 97,163,228,753.68/430,781.46
  6. Step 6: Final answer
    x = 225,551.09

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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.