Home / 451,430.24-622,980.87-270,149.90

Finding the Fourth Proportional to 451,430.24, 622,980.87 and 270,149.90

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Solution

The fourth proportional to 451,430.24, 622,980.87 and 270,149.90 is: 372,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,430.24 : 622,980.87 = 270,149.90 : x
  2. Step 2: Convert to fraction form
    451,430.24/622,980.87 = 270,149.90/x
  3. Step 3: Cross multiply
    451,430.24x = 622,980.87 × 270,149.90
  4. Step 4: Simplify right side
    451,430.24x = 168,298,219,732.41
  5. Step 5: Solve for x
    x = 168,298,219,732.41/451,430.24
  6. Step 6: Final answer
    x = 372,811.13

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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.