Home / 380,210.58-524,821.77-219,129.84

Finding the Fourth Proportional to 380,210.58, 524,821.77 and 219,129.84

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Solution

The fourth proportional to 380,210.58, 524,821.77 and 219,129.84 is: 302,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,210.58 : 524,821.77 = 219,129.84 : x
  2. Step 2: Convert to fraction form
    380,210.58/524,821.77 = 219,129.84/x
  3. Step 3: Cross multiply
    380,210.58x = 524,821.77 × 219,129.84
  4. Step 4: Simplify right side
    380,210.58x = 115,004,110,488.62
  5. Step 5: Solve for x
    x = 115,004,110,488.62/380,210.58
  6. Step 6: Final answer
    x = 302,474.78

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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.