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Finding the Fourth Proportional to 307,450.98, 458,119.96 and 273,913.34

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Solution

The fourth proportional to 307,450.98, 458,119.96 and 273,913.34 is: 408,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,450.98 : 458,119.96 = 273,913.34 : x
  2. Step 2: Convert to fraction form
    307,450.98/458,119.96 = 273,913.34/x
  3. Step 3: Cross multiply
    307,450.98x = 458,119.96 × 273,913.34
  4. Step 4: Simplify right side
    307,450.98x = 125,485,168,364.27
  5. Step 5: Solve for x
    x = 125,485,168,364.27/307,450.98
  6. Step 6: Final answer
    x = 408,146.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.