Home / 216,472.14-298,538.22-135,907.26

Finding the Fourth Proportional to 216,472.14, 298,538.22 and 135,907.26

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Solution

The fourth proportional to 216,472.14, 298,538.22 and 135,907.26 is: 187,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,472.14 : 298,538.22 = 135,907.26 : x
  2. Step 2: Convert to fraction form
    216,472.14/298,538.22 = 135,907.26/x
  3. Step 3: Cross multiply
    216,472.14x = 298,538.22 × 135,907.26
  4. Step 4: Simplify right side
    216,472.14x = 40,573,511,485.48
  5. Step 5: Solve for x
    x = 40,573,511,485.48/216,472.14
  6. Step 6: Final answer
    x = 187,430.64

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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.