Home / 370,318.82-510,546.03-278,047.58

Finding the Fourth Proportional to 370,318.82, 510,546.03 and 278,047.58

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Solution

The fourth proportional to 370,318.82, 510,546.03 and 278,047.58 is: 383,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,318.82 : 510,546.03 = 278,047.58 : x
  2. Step 2: Convert to fraction form
    370,318.82/510,546.03 = 278,047.58/x
  3. Step 3: Cross multiply
    370,318.82x = 510,546.03 × 278,047.58
  4. Step 4: Simplify right side
    370,318.82x = 141,956,088,120.11
  5. Step 5: Solve for x
    x = 141,956,088,120.11/370,318.82
  6. Step 6: Final answer
    x = 383,334.79

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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.