Home / 221,918.74-332,880.55-64,148.56

Finding the Fourth Proportional to 221,918.74, 332,880.55 and 64,148.56

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Solution

The fourth proportional to 221,918.74, 332,880.55 and 64,148.56 is: 96,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,918.74 : 332,880.55 = 64,148.56 : x
  2. Step 2: Convert to fraction form
    221,918.74/332,880.55 = 64,148.56/x
  3. Step 3: Cross multiply
    221,918.74x = 332,880.55 × 64,148.56
  4. Step 4: Simplify right side
    221,918.74x = 21,353,807,934.51
  5. Step 5: Solve for x
    x = 21,353,807,934.51/221,918.74
  6. Step 6: Final answer
    x = 96,223.55

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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.