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Finding the Fourth Proportional to 369,641.37, 510,104.74 and 199,875.09

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Solution

The fourth proportional to 369,641.37, 510,104.74 and 199,875.09 is: 275,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,641.37 : 510,104.74 = 199,875.09 : x
  2. Step 2: Convert to fraction form
    369,641.37/510,104.74 = 199,875.09/x
  3. Step 3: Cross multiply
    369,641.37x = 510,104.74 × 199,875.09
  4. Step 4: Simplify right side
    369,641.37x = 101,957,232,604.90
  5. Step 5: Solve for x
    x = 101,957,232,604.90/369,641.37
  6. Step 6: Final answer
    x = 275,827.44

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1.5x scale

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.