Home / 430,854.12-646,576.38-150,371.37

Finding the Fourth Proportional to 430,854.12, 646,576.38 and 150,371.37

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Solution

The fourth proportional to 430,854.12, 646,576.38 and 150,371.37 is: 225,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,854.12 : 646,576.38 = 150,371.37 : x
  2. Step 2: Convert to fraction form
    430,854.12/646,576.38 = 150,371.37/x
  3. Step 3: Cross multiply
    430,854.12x = 646,576.38 × 150,371.37
  4. Step 4: Simplify right side
    430,854.12x = 97,226,576,070.24
  5. Step 5: Solve for x
    x = 97,226,576,070.24/430,854.12
  6. Step 6: Final answer
    x = 225,660.08

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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.