Home / 266,030.21-367,129.49-145,179.29

Finding the Fourth Proportional to 266,030.21, 367,129.49 and 145,179.29

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Solution

The fourth proportional to 266,030.21, 367,129.49 and 145,179.29 is: 200,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,030.21 : 367,129.49 = 145,179.29 : x
  2. Step 2: Convert to fraction form
    266,030.21/367,129.49 = 145,179.29/x
  3. Step 3: Cross multiply
    266,030.21x = 367,129.49 × 145,179.29
  4. Step 4: Simplify right side
    266,030.21x = 53,299,596,134.72
  5. Step 5: Solve for x
    x = 53,299,596,134.72/266,030.21
  6. Step 6: Final answer
    x = 200,351.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.