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Finding the Fourth Proportional to 544,203, 816,312.80 and 207,262.30

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Solution

The fourth proportional to 544,203, 816,312.80 and 207,262.30 is: 310,896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,203 : 816,312.80 = 207,262.30 : x
  2. Step 2: Convert to fraction form
    544,203/816,312.80 = 207,262.30/x
  3. Step 3: Cross multiply
    544,203x = 816,312.80 × 207,262.30
  4. Step 4: Simplify right side
    544,203x = 169,190,868,447.44
  5. Step 5: Solve for x
    x = 169,190,868,447.44/544,203
  6. Step 6: Final answer
    x = 310,896.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.