Home / 430,669.68-645,998.76-150,186

Finding the Fourth Proportional to 430,669.68, 645,998.76 and 150,186

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Solution

The fourth proportional to 430,669.68, 645,998.76 and 150,186 is: 225,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,669.68 : 645,998.76 = 150,186 : x
  2. Step 2: Convert to fraction form
    430,669.68/645,998.76 = 150,186/x
  3. Step 3: Cross multiply
    430,669.68x = 645,998.76 × 150,186
  4. Step 4: Simplify right side
    430,669.68x = 97,019,969,769.36
  5. Step 5: Solve for x
    x = 97,019,969,769.36/430,669.68
  6. Step 6: Final answer
    x = 225,276.99

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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.