Home / 370,481.04-511,263.36-200,715.84

Finding the Fourth Proportional to 370,481.04, 511,263.36 and 200,715.84

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Solution

The fourth proportional to 370,481.04, 511,263.36 and 200,715.84 is: 276,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,481.04 : 511,263.36 = 200,715.84 : x
  2. Step 2: Convert to fraction form
    370,481.04/511,263.36 = 200,715.84/x
  3. Step 3: Cross multiply
    370,481.04x = 511,263.36 × 200,715.84
  4. Step 4: Simplify right side
    370,481.04x = 102,618,654,763.62
  5. Step 5: Solve for x
    x = 102,618,654,763.62/370,481.04
  6. Step 6: Final answer
    x = 276,987.60

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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.