Home / 370,319.04-511,039.80-200,553.84

Finding the Fourth Proportional to 370,319.04, 511,039.80 and 200,553.84

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Solution

The fourth proportional to 370,319.04, 511,039.80 and 200,553.84 is: 276,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,319.04 : 511,039.80 = 200,553.84 : x
  2. Step 2: Convert to fraction form
    370,319.04/511,039.80 = 200,553.84/x
  3. Step 3: Cross multiply
    370,319.04x = 511,039.80 × 200,553.84
  4. Step 4: Simplify right side
    370,319.04x = 102,490,994,282.83
  5. Step 5: Solve for x
    x = 102,490,994,282.83/370,319.04
  6. Step 6: Final answer
    x = 276,764.04

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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.