Home / 380,171.93-524,578.61-218,995.43

Finding the Fourth Proportional to 380,171.93, 524,578.61 and 218,995.43

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Solution

The fourth proportional to 380,171.93, 524,578.61 and 218,995.43 is: 302,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,171.93 : 524,578.61 = 218,995.43 : x
  2. Step 2: Convert to fraction form
    380,171.93/524,578.61 = 218,995.43/x
  3. Step 3: Cross multiply
    380,171.93x = 524,578.61 × 218,995.43
  4. Step 4: Simplify right side
    380,171.93x = 114,880,316,190.35
  5. Step 5: Solve for x
    x = 114,880,316,190.35/380,171.93
  6. Step 6: Final answer
    x = 302,179.91

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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.