Home / 320,986.32-481,478.30-96,345.78

Finding the Fourth Proportional to 320,986.32, 481,478.30 and 96,345.78

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Solution

The fourth proportional to 320,986.32, 481,478.30 and 96,345.78 is: 144,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,986.32 : 481,478.30 = 96,345.78 : x
  2. Step 2: Convert to fraction form
    320,986.32/481,478.30 = 96,345.78/x
  3. Step 3: Cross multiply
    320,986.32x = 481,478.30 × 96,345.78
  4. Step 4: Simplify right side
    320,986.32x = 46,388,402,366.57
  5. Step 5: Solve for x
    x = 46,388,402,366.57/320,986.32
  6. Step 6: Final answer
    x = 144,518.32

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1.5x scale

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.