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Finding the Fourth Proportional to 450,903.18, 622,255.77 and 246,962.69

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Solution

The fourth proportional to 450,903.18, 622,255.77 and 246,962.69 is: 340,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,903.18 : 622,255.77 = 246,962.69 : x
  2. Step 2: Convert to fraction form
    450,903.18/622,255.77 = 246,962.69/x
  3. Step 3: Cross multiply
    450,903.18x = 622,255.77 × 246,962.69
  4. Step 4: Simplify right side
    450,903.18x = 153,673,955,715.94
  5. Step 5: Solve for x
    x = 153,673,955,715.94/450,903.18
  6. Step 6: Final answer
    x = 340,813.64

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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.