Home / 270,868.20-406,367.10-130,511.40

Finding the Fourth Proportional to 270,868.20, 406,367.10 and 130,511.40

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Solution

The fourth proportional to 270,868.20, 406,367.10 and 130,511.40 is: 195,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,868.20 : 406,367.10 = 130,511.40 : x
  2. Step 2: Convert to fraction form
    270,868.20/406,367.10 = 130,511.40/x
  3. Step 3: Cross multiply
    270,868.20x = 406,367.10 × 130,511.40
  4. Step 4: Simplify right side
    270,868.20x = 53,035,539,134.94
  5. Step 5: Solve for x
    x = 53,035,539,134.94/270,868.20
  6. Step 6: Final answer
    x = 195,798.32

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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.