Home / 351,629.61-485,248.41-190,485.32

Finding the Fourth Proportional to 351,629.61, 485,248.41 and 190,485.32

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Solution

The fourth proportional to 351,629.61, 485,248.41 and 190,485.32 is: 262,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,629.61 : 485,248.41 = 190,485.32 : x
  2. Step 2: Convert to fraction form
    351,629.61/485,248.41 = 190,485.32/x
  3. Step 3: Cross multiply
    351,629.61x = 485,248.41 × 190,485.32
  4. Step 4: Simplify right side
    351,629.61x = 92,432,698,658.34
  5. Step 5: Solve for x
    x = 92,432,698,658.34/351,629.61
  6. Step 6: Final answer
    x = 262,869.50

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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.