Home / 267,821.24-401,521.86-139,427.33

Finding the Fourth Proportional to 267,821.24, 401,521.86 and 139,427.33

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Solution

The fourth proportional to 267,821.24, 401,521.86 and 139,427.33 is: 209,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,821.24 : 401,521.86 = 139,427.33 : x
  2. Step 2: Convert to fraction form
    267,821.24/401,521.86 = 139,427.33/x
  3. Step 3: Cross multiply
    267,821.24x = 401,521.86 × 139,427.33
  4. Step 4: Simplify right side
    267,821.24x = 55,983,118,868.82
  5. Step 5: Solve for x
    x = 55,983,118,868.82/267,821.24
  6. Step 6: Final answer
    x = 209,031.67

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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.