Home / 351,621.02-485,238.29-190,475.68

Finding the Fourth Proportional to 351,621.02, 485,238.29 and 190,475.68

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Solution

The fourth proportional to 351,621.02, 485,238.29 and 190,475.68 is: 262,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,621.02 : 485,238.29 = 190,475.68 : x
  2. Step 2: Convert to fraction form
    351,621.02/485,238.29 = 190,475.68/x
  3. Step 3: Cross multiply
    351,621.02x = 485,238.29 × 190,475.68
  4. Step 4: Simplify right side
    351,621.02x = 92,426,093,249.79
  5. Step 5: Solve for x
    x = 92,426,093,249.79/351,621.02
  6. Step 6: Final answer
    x = 262,857.13

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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.