Home / 380,416.56-524,974.82-210,650.70

Finding the Fourth Proportional to 380,416.56, 524,974.82 and 210,650.70

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Solution

The fourth proportional to 380,416.56, 524,974.82 and 210,650.70 is: 290,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,416.56 : 524,974.82 = 210,650.70 : x
  2. Step 2: Convert to fraction form
    380,416.56/524,974.82 = 210,650.70/x
  3. Step 3: Cross multiply
    380,416.56x = 524,974.82 × 210,650.70
  4. Step 4: Simplify right side
    380,416.56x = 110,586,313,315.37
  5. Step 5: Solve for x
    x = 110,586,313,315.37/380,416.56
  6. Step 6: Final answer
    x = 290,697.95

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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.