Home / 430,865.16-646,593.03-150,382.41

Finding the Fourth Proportional to 430,865.16, 646,593.03 and 150,382.41

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Solution

The fourth proportional to 430,865.16, 646,593.03 and 150,382.41 is: 225,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,865.16 : 646,593.03 = 150,382.41 : x
  2. Step 2: Convert to fraction form
    430,865.16/646,593.03 = 150,382.41/x
  3. Step 3: Cross multiply
    430,865.16x = 646,593.03 × 150,382.41
  4. Step 4: Simplify right side
    430,865.16x = 97,236,215,715.88
  5. Step 5: Solve for x
    x = 97,236,215,715.88/430,865.16
  6. Step 6: Final answer
    x = 225,676.67

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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.