Home / 430,873.02-646,604.87-150,390.27

Finding the Fourth Proportional to 430,873.02, 646,604.87 and 150,390.27

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Solution

The fourth proportional to 430,873.02, 646,604.87 and 150,390.27 is: 225,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,873.02 : 646,604.87 = 150,390.27 : x
  2. Step 2: Convert to fraction form
    430,873.02/646,604.87 = 150,390.27/x
  3. Step 3: Cross multiply
    430,873.02x = 646,604.87 × 150,390.27
  4. Step 4: Simplify right side
    430,873.02x = 97,243,080,230.66
  5. Step 5: Solve for x
    x = 97,243,080,230.66/430,873.02
  6. Step 6: Final answer
    x = 225,688.49

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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.