Home / 321,036.48-481,586.58-118,685.61

Finding the Fourth Proportional to 321,036.48, 481,586.58 and 118,685.61

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Solution

The fourth proportional to 321,036.48, 481,586.58 and 118,685.61 is: 178,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,036.48 : 481,586.58 = 118,685.61 : x
  2. Step 2: Convert to fraction form
    321,036.48/481,586.58 = 118,685.61/x
  3. Step 3: Cross multiply
    321,036.48x = 481,586.58 × 118,685.61
  4. Step 4: Simplify right side
    321,036.48x = 57,157,397,015.11
  5. Step 5: Solve for x
    x = 57,157,397,015.11/321,036.48
  6. Step 6: Final answer
    x = 178,040.19

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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.