Home / 328,456.09-492,465.25-118,066.69

Finding the Fourth Proportional to 328,456.09, 492,465.25 and 118,066.69

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Solution

The fourth proportional to 328,456.09, 492,465.25 and 118,066.69 is: 177,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,456.09 : 492,465.25 = 118,066.69 : x
  2. Step 2: Convert to fraction form
    328,456.09/492,465.25 = 118,066.69/x
  3. Step 3: Cross multiply
    328,456.09x = 492,465.25 × 118,066.69
  4. Step 4: Simplify right side
    328,456.09x = 58,143,738,954.86
  5. Step 5: Solve for x
    x = 58,143,738,954.86/328,456.09
  6. Step 6: Final answer
    x = 177,021.35

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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.