Home / 380,416.05-524,989.97-210,650.17

Finding the Fourth Proportional to 380,416.05, 524,989.97 and 210,650.17

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Solution

The fourth proportional to 380,416.05, 524,989.97 and 210,650.17 is: 290,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,416.05 : 524,989.97 = 210,650.17 : x
  2. Step 2: Convert to fraction form
    380,416.05/524,989.97 = 210,650.17/x
  3. Step 3: Cross multiply
    380,416.05x = 524,989.97 × 210,650.17
  4. Step 4: Simplify right side
    380,416.05x = 110,589,225,375.54
  5. Step 5: Solve for x
    x = 110,589,225,375.54/380,416.05
  6. Step 6: Final answer
    x = 290,706.00

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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.