Home / 351,216.18-484,679.16-190,072.38

Finding the Fourth Proportional to 351,216.18, 484,679.16 and 190,072.38

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Solution

The fourth proportional to 351,216.18, 484,679.16 and 190,072.38 is: 262,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,216.18 : 484,679.16 = 190,072.38 : x
  2. Step 2: Convert to fraction form
    351,216.18/484,679.16 = 190,072.38/x
  3. Step 3: Cross multiply
    351,216.18x = 484,679.16 × 190,072.38
  4. Step 4: Simplify right side
    351,216.18x = 92,124,121,477.60
  5. Step 5: Solve for x
    x = 92,124,121,477.60/351,216.18
  6. Step 6: Final answer
    x = 262,300.33

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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.