Home / 275,292.14-379,915.66-160,573.05

Finding the Fourth Proportional to 275,292.14, 379,915.66 and 160,573.05

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Solution

The fourth proportional to 275,292.14, 379,915.66 and 160,573.05 is: 221,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,292.14 : 379,915.66 = 160,573.05 : x
  2. Step 2: Convert to fraction form
    275,292.14/379,915.66 = 160,573.05/x
  3. Step 3: Cross multiply
    275,292.14x = 379,915.66 × 160,573.05
  4. Step 4: Simplify right side
    275,292.14x = 61,004,216,268.96
  5. Step 5: Solve for x
    x = 61,004,216,268.96/275,292.14
  6. Step 6: Final answer
    x = 221,598.11

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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.