Home / 356,364.16-491,782.62-195,225.02

Finding the Fourth Proportional to 356,364.16, 491,782.62 and 195,225.02

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Solution

The fourth proportional to 356,364.16, 491,782.62 and 195,225.02 is: 269,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,364.16 : 491,782.62 = 195,225.02 : x
  2. Step 2: Convert to fraction form
    356,364.16/491,782.62 = 195,225.02/x
  3. Step 3: Cross multiply
    356,364.16x = 491,782.62 × 195,225.02
  4. Step 4: Simplify right side
    356,364.16x = 96,008,271,825.15
  5. Step 5: Solve for x
    x = 96,008,271,825.15/356,364.16
  6. Step 6: Final answer
    x = 269,410.57

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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.