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Finding the Fourth Proportional to 449,505.24, 620,315.34 and 248,301.24

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Solution

The fourth proportional to 449,505.24, 620,315.34 and 248,301.24 is: 342,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,505.24 : 620,315.34 = 248,301.24 : x
  2. Step 2: Convert to fraction form
    449,505.24/620,315.34 = 248,301.24/x
  3. Step 3: Cross multiply
    449,505.24x = 620,315.34 × 248,301.24
  4. Step 4: Simplify right side
    449,505.24x = 154,025,068,113.02
  5. Step 5: Solve for x
    x = 154,025,068,113.02/449,505.24
  6. Step 6: Final answer
    x = 342,654.67

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1.5x scale

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.