Home / 454,519.36-681,779.02-138,976.24

Finding the Fourth Proportional to 454,519.36, 681,779.02 and 138,976.24

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Solution

The fourth proportional to 454,519.36, 681,779.02 and 138,976.24 is: 208,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,519.36 : 681,779.02 = 138,976.24 : x
  2. Step 2: Convert to fraction form
    454,519.36/681,779.02 = 138,976.24/x
  3. Step 3: Cross multiply
    454,519.36x = 681,779.02 × 138,976.24
  4. Step 4: Simplify right side
    454,519.36x = 94,751,084,710.48
  5. Step 5: Solve for x
    x = 94,751,084,710.48/454,519.36
  6. Step 6: Final answer
    x = 208,464.35

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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.