Home / 380,329.56-524,910.06-219,153.24

Finding the Fourth Proportional to 380,329.56, 524,910.06 and 219,153.24

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Solution

The fourth proportional to 380,329.56, 524,910.06 and 219,153.24 is: 302,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,329.56 : 524,910.06 = 219,153.24 : x
  2. Step 2: Convert to fraction form
    380,329.56/524,910.06 = 219,153.24/x
  3. Step 3: Cross multiply
    380,329.56x = 524,910.06 × 219,153.24
  4. Step 4: Simplify right side
    380,329.56x = 115,035,740,357.59
  5. Step 5: Solve for x
    x = 115,035,740,357.59/380,329.56
  6. Step 6: Final answer
    x = 302,463.32

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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.