Home / 221,386.03-332,043.40-63,578.59

Finding the Fourth Proportional to 221,386.03, 332,043.40 and 63,578.59

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Solution

The fourth proportional to 221,386.03, 332,043.40 and 63,578.59 is: 95,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,386.03 : 332,043.40 = 63,578.59 : x
  2. Step 2: Convert to fraction form
    221,386.03/332,043.40 = 63,578.59/x
  3. Step 3: Cross multiply
    221,386.03x = 332,043.40 × 63,578.59
  4. Step 4: Simplify right side
    221,386.03x = 21,110,851,190.81
  5. Step 5: Solve for x
    x = 21,110,851,190.81/221,386.03
  6. Step 6: Final answer
    x = 95,357.65

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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.