Home / 409,879.04-565,631.88-228,591.20

Finding the Fourth Proportional to 409,879.04, 565,631.88 and 228,591.20

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Solution

The fourth proportional to 409,879.04, 565,631.88 and 228,591.20 is: 315,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,879.04 : 565,631.88 = 228,591.20 : x
  2. Step 2: Convert to fraction form
    409,879.04/565,631.88 = 228,591.20/x
  3. Step 3: Cross multiply
    409,879.04x = 565,631.88 × 228,591.20
  4. Step 4: Simplify right side
    409,879.04x = 129,298,470,207.46
  5. Step 5: Solve for x
    x = 129,298,470,207.46/409,879.04
  6. Step 6: Final answer
    x = 315,455.19

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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.