Home / 336,988.25-505,232.69-159,287.61

Finding the Fourth Proportional to 336,988.25, 505,232.69 and 159,287.61

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Solution

The fourth proportional to 336,988.25, 505,232.69 and 159,287.61 is: 238,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,988.25 : 505,232.69 = 159,287.61 : x
  2. Step 2: Convert to fraction form
    336,988.25/505,232.69 = 159,287.61/x
  3. Step 3: Cross multiply
    336,988.25x = 505,232.69 × 159,287.61
  4. Step 4: Simplify right side
    336,988.25x = 80,477,306,887.53
  5. Step 5: Solve for x
    x = 80,477,306,887.53/336,988.25
  6. Step 6: Final answer
    x = 238,813.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.