Home / 219,297.24-302,613.30-123,813.36

Finding the Fourth Proportional to 219,297.24, 302,613.30 and 123,813.36

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Solution

The fourth proportional to 219,297.24, 302,613.30 and 123,813.36 is: 170,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,297.24 : 302,613.30 = 123,813.36 : x
  2. Step 2: Convert to fraction form
    219,297.24/302,613.30 = 123,813.36/x
  3. Step 3: Cross multiply
    219,297.24x = 302,613.30 × 123,813.36
  4. Step 4: Simplify right side
    219,297.24x = 37,467,569,453.69
  5. Step 5: Solve for x
    x = 37,467,569,453.69/219,297.24
  6. Step 6: Final answer
    x = 170,852.90

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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.