Home / 226,880.10-340,320.15-209,165.40

Finding the Fourth Proportional to 226,880.10, 340,320.15 and 209,165.40

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Solution

The fourth proportional to 226,880.10, 340,320.15 and 209,165.40 is: 313,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,880.10 : 340,320.15 = 209,165.40 : x
  2. Step 2: Convert to fraction form
    226,880.10/340,320.15 = 209,165.40/x
  3. Step 3: Cross multiply
    226,880.10x = 340,320.15 × 209,165.40
  4. Step 4: Simplify right side
    226,880.10x = 71,183,200,302.81
  5. Step 5: Solve for x
    x = 71,183,200,302.81/226,880.10
  6. Step 6: Final answer
    x = 313,748.10

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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.