Home / 456,536.39-684,890.69-140,919.48

Finding the Fourth Proportional to 456,536.39, 684,890.69 and 140,919.48

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Solution

The fourth proportional to 456,536.39, 684,890.69 and 140,919.48 is: 211,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,536.39 : 684,890.69 = 140,919.48 : x
  2. Step 2: Convert to fraction form
    456,536.39/684,890.69 = 140,919.48/x
  3. Step 3: Cross multiply
    456,536.39x = 684,890.69 × 140,919.48
  4. Step 4: Simplify right side
    456,536.39x = 96,514,439,187.04
  5. Step 5: Solve for x
    x = 96,514,439,187.04/456,536.39
  6. Step 6: Final answer
    x = 211,405.80

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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.