Home / 660,845.07-991,268.54-162,209.07

Finding the Fourth Proportional to 660,845.07, 991,268.54 and 162,209.07

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Solution

The fourth proportional to 660,845.07, 991,268.54 and 162,209.07 is: 243,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,845.07 : 991,268.54 = 162,209.07 : x
  2. Step 2: Convert to fraction form
    660,845.07/991,268.54 = 162,209.07/x
  3. Step 3: Cross multiply
    660,845.07x = 991,268.54 × 162,209.07
  4. Step 4: Simplify right side
    660,845.07x = 160,792,747,993.66
  5. Step 5: Solve for x
    x = 160,792,747,993.66/660,845.07
  6. Step 6: Final answer
    x = 243,313.83

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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.