Home / 219,324.24-302,650.56-123,840.36

Finding the Fourth Proportional to 219,324.24, 302,650.56 and 123,840.36

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Solution

The fourth proportional to 219,324.24, 302,650.56 and 123,840.36 is: 170,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,324.24 : 302,650.56 = 123,840.36 : x
  2. Step 2: Convert to fraction form
    219,324.24/302,650.56 = 123,840.36/x
  3. Step 3: Cross multiply
    219,324.24x = 302,650.56 × 123,840.36
  4. Step 4: Simplify right side
    219,324.24x = 37,480,354,304.60
  5. Step 5: Solve for x
    x = 37,480,354,304.60/219,324.24
  6. Step 6: Final answer
    x = 170,890.16

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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.