Home / 282,884.14-390,268.74-161,960.32

Finding the Fourth Proportional to 282,884.14, 390,268.74 and 161,960.32

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Solution

The fourth proportional to 282,884.14, 390,268.74 and 161,960.32 is: 223,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,884.14 : 390,268.74 = 161,960.32 : x
  2. Step 2: Convert to fraction form
    282,884.14/390,268.74 = 161,960.32/x
  3. Step 3: Cross multiply
    282,884.14x = 390,268.74 × 161,960.32
  4. Step 4: Simplify right side
    282,884.14x = 63,208,050,016.40
  5. Step 5: Solve for x
    x = 63,208,050,016.40/282,884.14
  6. Step 6: Final answer
    x = 223,441.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.