Home / 282,277.12-422,862.07-163,699.34

Finding the Fourth Proportional to 282,277.12, 422,862.07 and 163,699.34

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Solution

The fourth proportional to 282,277.12, 422,862.07 and 163,699.34 is: 245,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,277.12 : 422,862.07 = 163,699.34 : x
  2. Step 2: Convert to fraction form
    282,277.12/422,862.07 = 163,699.34/x
  3. Step 3: Cross multiply
    282,277.12x = 422,862.07 × 163,699.34
  4. Step 4: Simplify right side
    282,277.12x = 69,222,241,770.03
  5. Step 5: Solve for x
    x = 69,222,241,770.03/282,277.12
  6. Step 6: Final answer
    x = 245,227.96

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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.