Home / 356,895.42-492,518.10-195,751.60

Finding the Fourth Proportional to 356,895.42, 492,518.10 and 195,751.60

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Solution

The fourth proportional to 356,895.42, 492,518.10 and 195,751.60 is: 270,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,895.42 : 492,518.10 = 195,751.60 : x
  2. Step 2: Convert to fraction form
    356,895.42/492,518.10 = 195,751.60/x
  3. Step 3: Cross multiply
    356,895.42x = 492,518.10 × 195,751.60
  4. Step 4: Simplify right side
    356,895.42x = 96,411,206,103.96
  5. Step 5: Solve for x
    x = 96,411,206,103.96/356,895.42
  6. Step 6: Final answer
    x = 270,138.54

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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.