Home / 320,582.64-481,039.52-140,794.32

Finding the Fourth Proportional to 320,582.64, 481,039.52 and 140,794.32

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Solution

The fourth proportional to 320,582.64, 481,039.52 and 140,794.32 is: 211,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,582.64 : 481,039.52 = 140,794.32 : x
  2. Step 2: Convert to fraction form
    320,582.64/481,039.52 = 140,794.32/x
  3. Step 3: Cross multiply
    320,582.64x = 481,039.52 × 140,794.32
  4. Step 4: Simplify right side
    320,582.64x = 67,727,632,111.53
  5. Step 5: Solve for x
    x = 67,727,632,111.53/320,582.64
  6. Step 6: Final answer
    x = 211,264.19

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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.