Home / 307,443.45-458,108.80-273,905.81

Finding the Fourth Proportional to 307,443.45, 458,108.80 and 273,905.81

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Solution

The fourth proportional to 307,443.45, 458,108.80 and 273,905.81 is: 408,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,443.45 : 458,108.80 = 273,905.81 : x
  2. Step 2: Convert to fraction form
    307,443.45/458,108.80 = 273,905.81/x
  3. Step 3: Cross multiply
    307,443.45x = 458,108.80 × 273,905.81
  4. Step 4: Simplify right side
    307,443.45x = 125,478,661,932.13
  5. Step 5: Solve for x
    x = 125,478,661,932.13/307,443.45
  6. Step 6: Final answer
    x = 408,135.75

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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.