Home / 357,102.12-492,784.36-195,953.16

Finding the Fourth Proportional to 357,102.12, 492,784.36 and 195,953.16

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Solution

The fourth proportional to 357,102.12, 492,784.36 and 195,953.16 is: 270,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,102.12 : 492,784.36 = 195,953.16 : x
  2. Step 2: Convert to fraction form
    357,102.12/492,784.36 = 195,953.16/x
  3. Step 3: Cross multiply
    357,102.12x = 492,784.36 × 195,953.16
  4. Step 4: Simplify right side
    357,102.12x = 96,562,652,540.58
  5. Step 5: Solve for x
    x = 96,562,652,540.58/357,102.12
  6. Step 6: Final answer
    x = 270,406.27

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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.