Home / 451,285.02-622,778.09-247,331.43

Finding the Fourth Proportional to 451,285.02, 622,778.09 and 247,331.43

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Solution

The fourth proportional to 451,285.02, 622,778.09 and 247,331.43 is: 341,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,285.02 : 622,778.09 = 247,331.43 : x
  2. Step 2: Convert to fraction form
    451,285.02/622,778.09 = 247,331.43/x
  3. Step 3: Cross multiply
    451,285.02x = 622,778.09 × 247,331.43
  4. Step 4: Simplify right side
    451,285.02x = 154,032,594,335.71
  5. Step 5: Solve for x
    x = 154,032,594,335.71/451,285.02
  6. Step 6: Final answer
    x = 341,319.98

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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.