Home / 380,029.32-524,313.12-218,881.14

Finding the Fourth Proportional to 380,029.32, 524,313.12 and 218,881.14

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Solution

The fourth proportional to 380,029.32, 524,313.12 and 218,881.14 is: 301,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,029.32 : 524,313.12 = 218,881.14 : x
  2. Step 2: Convert to fraction form
    380,029.32/524,313.12 = 218,881.14/x
  3. Step 3: Cross multiply
    380,029.32x = 524,313.12 × 218,881.14
  4. Step 4: Simplify right side
    380,029.32x = 114,762,253,422.56
  5. Step 5: Solve for x
    x = 114,762,253,422.56/380,029.32
  6. Step 6: Final answer
    x = 301,982.63

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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.