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Finding the Fourth Proportional to 545,099.72, 752,224.34 and 300,082.49

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Solution

The fourth proportional to 545,099.72, 752,224.34 and 300,082.49 is: 414,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,099.72 : 752,224.34 = 300,082.49 : x
  2. Step 2: Convert to fraction form
    545,099.72/752,224.34 = 300,082.49/x
  3. Step 3: Cross multiply
    545,099.72x = 752,224.34 × 300,082.49
  4. Step 4: Simplify right side
    545,099.72x = 225,729,352,985.81
  5. Step 5: Solve for x
    x = 225,729,352,985.81/545,099.72
  6. Step 6: Final answer
    x = 414,106.53

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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.