Home / 219,359.27-302,722.00-123,880.32

Finding the Fourth Proportional to 219,359.27, 302,722.00 and 123,880.32

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Solution

The fourth proportional to 219,359.27, 302,722.00 and 123,880.32 is: 170,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,359.27 : 302,722.00 = 123,880.32 : x
  2. Step 2: Convert to fraction form
    219,359.27/302,722.00 = 123,880.32/x
  3. Step 3: Cross multiply
    219,359.27x = 302,722.00 × 123,880.32
  4. Step 4: Simplify right side
    219,359.27x = 37,501,297,783.94
  5. Step 5: Solve for x
    x = 37,501,297,783.94/219,359.27
  6. Step 6: Final answer
    x = 170,958.35

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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.