Home / 380,204.16-524,798.55-219,166.86

Finding the Fourth Proportional to 380,204.16, 524,798.55 and 219,166.86

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Solution

The fourth proportional to 380,204.16, 524,798.55 and 219,166.86 is: 302,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,204.16 : 524,798.55 = 219,166.86 : x
  2. Step 2: Convert to fraction form
    380,204.16/524,798.55 = 219,166.86/x
  3. Step 3: Cross multiply
    380,204.16x = 524,798.55 × 219,166.86
  4. Step 4: Simplify right side
    380,204.16x = 115,018,450,336.05
  5. Step 5: Solve for x
    x = 115,018,450,336.05/380,204.16
  6. Step 6: Final answer
    x = 302,517.60

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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.