Home / 260,382.45-390,570.86-197,588.22

Finding the Fourth Proportional to 260,382.45, 390,570.86 and 197,588.22

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Solution

The fourth proportional to 260,382.45, 390,570.86 and 197,588.22 is: 296,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,382.45 : 390,570.86 = 197,588.22 : x
  2. Step 2: Convert to fraction form
    260,382.45/390,570.86 = 197,588.22/x
  3. Step 3: Cross multiply
    260,382.45x = 390,570.86 × 197,588.22
  4. Step 4: Simplify right side
    260,382.45x = 77,172,200,040.60
  5. Step 5: Solve for x
    x = 77,172,200,040.60/260,382.45
  6. Step 6: Final answer
    x = 296,380.19

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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.