Home / 354,111.27-531,166.15-110,971

Finding the Fourth Proportional to 354,111.27, 531,166.15 and 110,971

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Solution

The fourth proportional to 354,111.27, 531,166.15 and 110,971 is: 166,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,111.27 : 531,166.15 = 110,971 : x
  2. Step 2: Convert to fraction form
    354,111.27/531,166.15 = 110,971/x
  3. Step 3: Cross multiply
    354,111.27x = 531,166.15 × 110,971
  4. Step 4: Simplify right side
    354,111.27x = 58,944,038,831.65
  5. Step 5: Solve for x
    x = 58,944,038,831.65/354,111.27
  6. Step 6: Final answer
    x = 166,456.26

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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.