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Finding the Fourth Proportional to 184,184.98, 275,229 and 138,293.50

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Solution

The fourth proportional to 184,184.98, 275,229 and 138,293.50 is: 206,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,184.98 : 275,229 = 138,293.50 : x
  2. Step 2: Convert to fraction form
    184,184.98/275,229 = 138,293.50/x
  3. Step 3: Cross multiply
    184,184.98x = 275,229 × 138,293.50
  4. Step 4: Simplify right side
    184,184.98x = 38,062,381,711.50
  5. Step 5: Solve for x
    x = 38,062,381,711.50/184,184.98
  6. Step 6: Final answer
    x = 206,653.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.