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Finding the Fourth Proportional to 455,591.82, 682,869.21 and 202,492.12

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Solution

The fourth proportional to 455,591.82, 682,869.21 and 202,492.12 is: 303,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,591.82 : 682,869.21 = 202,492.12 : x
  2. Step 2: Convert to fraction form
    455,591.82/682,869.21 = 202,492.12/x
  3. Step 3: Cross multiply
    455,591.82x = 682,869.21 × 202,492.12
  4. Step 4: Simplify right side
    455,591.82x = 138,275,634,015.63
  5. Step 5: Solve for x
    x = 138,275,634,015.63/455,591.82
  6. Step 6: Final answer
    x = 303,507.72

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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.