Home / 370,401.04-511,152.96-200,635.84

Finding the Fourth Proportional to 370,401.04, 511,152.96 and 200,635.84

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Solution

The fourth proportional to 370,401.04, 511,152.96 and 200,635.84 is: 276,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,401.04 : 511,152.96 = 200,635.84 : x
  2. Step 2: Convert to fraction form
    370,401.04/511,152.96 = 200,635.84/x
  3. Step 3: Cross multiply
    370,401.04x = 511,152.96 × 200,635.84
  4. Step 4: Simplify right side
    370,401.04x = 102,555,603,498.09
  5. Step 5: Solve for x
    x = 102,555,603,498.09/370,401.04
  6. Step 6: Final answer
    x = 276,877.20

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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.