Home / 219,359.40-302,722.17-123,880.44

Finding the Fourth Proportional to 219,359.40, 302,722.17 and 123,880.44

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Solution

The fourth proportional to 219,359.40, 302,722.17 and 123,880.44 is: 170,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,359.40 : 302,722.17 = 123,880.44 : x
  2. Step 2: Convert to fraction form
    219,359.40/302,722.17 = 123,880.44/x
  3. Step 3: Cross multiply
    219,359.40x = 302,722.17 × 123,880.44
  4. Step 4: Simplify right side
    219,359.40x = 37,501,355,617.35
  5. Step 5: Solve for x
    x = 37,501,355,617.35/219,359.40
  6. Step 6: Final answer
    x = 170,958.51

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1.5x scale

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.