Home / 374,285.44-516,551.94-221,373.12

Finding the Fourth Proportional to 374,285.44, 516,551.94 and 221,373.12

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Solution

The fourth proportional to 374,285.44, 516,551.94 and 221,373.12 is: 305,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,285.44 : 516,551.94 = 221,373.12 : x
  2. Step 2: Convert to fraction form
    374,285.44/516,551.94 = 221,373.12/x
  3. Step 3: Cross multiply
    374,285.44x = 516,551.94 × 221,373.12
  4. Step 4: Simplify right side
    374,285.44x = 114,350,713,492.99
  5. Step 5: Solve for x
    x = 114,350,713,492.99/374,285.44
  6. Step 6: Final answer
    x = 305,517.40

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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.