Home / 457,180.38-685,834.83-190,880.28

Finding the Fourth Proportional to 457,180.38, 685,834.83 and 190,880.28

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Solution

The fourth proportional to 457,180.38, 685,834.83 and 190,880.28 is: 286,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,180.38 : 685,834.83 = 190,880.28 : x
  2. Step 2: Convert to fraction form
    457,180.38/685,834.83 = 190,880.28/x
  3. Step 3: Cross multiply
    457,180.38x = 685,834.83 × 190,880.28
  4. Step 4: Simplify right side
    457,180.38x = 130,912,344,384.15
  5. Step 5: Solve for x
    x = 130,912,344,384.15/457,180.38
  6. Step 6: Final answer
    x = 286,347.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.