Home / 309,214.20-463,821.30-98,873.40

Finding the Fourth Proportional to 309,214.20, 463,821.30 and 98,873.40

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Solution

The fourth proportional to 309,214.20, 463,821.30 and 98,873.40 is: 148,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,214.20 : 463,821.30 = 98,873.40 : x
  2. Step 2: Convert to fraction form
    309,214.20/463,821.30 = 98,873.40/x
  3. Step 3: Cross multiply
    309,214.20x = 463,821.30 × 98,873.40
  4. Step 4: Simplify right side
    309,214.20x = 45,859,588,923.42
  5. Step 5: Solve for x
    x = 45,859,588,923.42/309,214.20
  6. Step 6: Final answer
    x = 148,310.10

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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.