Home / 397,834.60-596,579.10-131,492.20

Finding the Fourth Proportional to 397,834.60, 596,579.10 and 131,492.20

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Solution

The fourth proportional to 397,834.60, 596,579.10 and 131,492.20 is: 197,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,834.60 : 596,579.10 = 131,492.20 : x
  2. Step 2: Convert to fraction form
    397,834.60/596,579.10 = 131,492.20/x
  3. Step 3: Cross multiply
    397,834.60x = 596,579.10 × 131,492.20
  4. Step 4: Simplify right side
    397,834.60x = 78,445,498,333.02
  5. Step 5: Solve for x
    x = 78,445,498,333.02/397,834.60
  6. Step 6: Final answer
    x = 197,181.19

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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.