Home / 351,647.06-485,272.35-190,506.20

Finding the Fourth Proportional to 351,647.06, 485,272.35 and 190,506.20

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Solution

The fourth proportional to 351,647.06, 485,272.35 and 190,506.20 is: 262,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,647.06 : 485,272.35 = 190,506.20 : x
  2. Step 2: Convert to fraction form
    351,647.06/485,272.35 = 190,506.20/x
  3. Step 3: Cross multiply
    351,647.06x = 485,272.35 × 190,506.20
  4. Step 4: Simplify right side
    351,647.06x = 92,447,388,937.21
  5. Step 5: Solve for x
    x = 92,447,388,937.21/351,647.06
  6. Step 6: Final answer
    x = 262,898.23

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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.