Home / 430,912.59-646,664.13-150,429.84

Finding the Fourth Proportional to 430,912.59, 646,664.13 and 150,429.84

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Solution

The fourth proportional to 430,912.59, 646,664.13 and 150,429.84 is: 225,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,912.59 : 646,664.13 = 150,429.84 : x
  2. Step 2: Convert to fraction form
    430,912.59/646,664.13 = 150,429.84/x
  3. Step 3: Cross multiply
    430,912.59x = 646,664.13 × 150,429.84
  4. Step 4: Simplify right side
    430,912.59x = 97,277,581,609.64
  5. Step 5: Solve for x
    x = 97,277,581,609.64/430,912.59
  6. Step 6: Final answer
    x = 225,747.83

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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.