Home / 380,746.44-525,561.75-219,665.61

Finding the Fourth Proportional to 380,746.44, 525,561.75 and 219,665.61

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Solution

The fourth proportional to 380,746.44, 525,561.75 and 219,665.61 is: 303,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,746.44 : 525,561.75 = 219,665.61 : x
  2. Step 2: Convert to fraction form
    380,746.44/525,561.75 = 219,665.61/x
  3. Step 3: Cross multiply
    380,746.44x = 525,561.75 × 219,665.61
  4. Step 4: Simplify right side
    380,746.44x = 115,447,842,406.42
  5. Step 5: Solve for x
    x = 115,447,842,406.42/380,746.44
  6. Step 6: Final answer
    x = 303,214.50

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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.