Home / 251,012.13-375,577.11-149,438.67

Finding the Fourth Proportional to 251,012.13, 375,577.11 and 149,438.67

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Solution

The fourth proportional to 251,012.13, 375,577.11 and 149,438.67 is: 223,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,012.13 : 375,577.11 = 149,438.67 : x
  2. Step 2: Convert to fraction form
    251,012.13/375,577.11 = 149,438.67/x
  3. Step 3: Cross multiply
    251,012.13x = 375,577.11 × 149,438.67
  4. Step 4: Simplify right side
    251,012.13x = 56,125,743,800.84
  5. Step 5: Solve for x
    x = 56,125,743,800.84/251,012.13
  6. Step 6: Final answer
    x = 223,597.74

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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.