Home / 320,987.69-481,480.37-96,347.15

Finding the Fourth Proportional to 320,987.69, 481,480.37 and 96,347.15

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Solution

The fourth proportional to 320,987.69, 481,480.37 and 96,347.15 is: 144,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,987.69 : 481,480.37 = 96,347.15 : x
  2. Step 2: Convert to fraction form
    320,987.69/481,480.37 = 96,347.15/x
  3. Step 3: Cross multiply
    320,987.69x = 481,480.37 × 96,347.15
  4. Step 4: Simplify right side
    320,987.69x = 46,389,258,541.31
  5. Step 5: Solve for x
    x = 46,389,258,541.31/320,987.69
  6. Step 6: Final answer
    x = 144,520.37

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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.