Home / 270,479.40-373,229.05-155,795.34

Finding the Fourth Proportional to 270,479.40, 373,229.05 and 155,795.34

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Solution

The fourth proportional to 270,479.40, 373,229.05 and 155,795.34 is: 214,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,479.40 : 373,229.05 = 155,795.34 : x
  2. Step 2: Convert to fraction form
    270,479.40/373,229.05 = 155,795.34/x
  3. Step 3: Cross multiply
    270,479.40x = 373,229.05 × 155,795.34
  4. Step 4: Simplify right side
    270,479.40x = 58,147,348,336.98
  5. Step 5: Solve for x
    x = 58,147,348,336.98/270,479.40
  6. Step 6: Final answer
    x = 214,978.84

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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.