Home / 351,284.40-484,771.92-190,139.28

Finding the Fourth Proportional to 351,284.40, 484,771.92 and 190,139.28

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Solution

The fourth proportional to 351,284.40, 484,771.92 and 190,139.28 is: 262,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,284.40 : 484,771.92 = 190,139.28 : x
  2. Step 2: Convert to fraction form
    351,284.40/484,771.92 = 190,139.28/x
  3. Step 3: Cross multiply
    351,284.40x = 484,771.92 × 190,139.28
  4. Step 4: Simplify right side
    351,284.40x = 92,174,183,833.02
  5. Step 5: Solve for x
    x = 92,174,183,833.02/351,284.40
  6. Step 6: Final answer
    x = 262,391.91

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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.