Home / 447,103.60-670,721.92-147,615.82

Finding the Fourth Proportional to 447,103.60, 670,721.92 and 147,615.82

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Solution

The fourth proportional to 447,103.60, 670,721.92 and 147,615.82 is: 221,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,103.60 : 670,721.92 = 147,615.82 : x
  2. Step 2: Convert to fraction form
    447,103.60/670,721.92 = 147,615.82/x
  3. Step 3: Cross multiply
    447,103.60x = 670,721.92 × 147,615.82
  4. Step 4: Simplify right side
    447,103.60x = 99,009,164,166.93
  5. Step 5: Solve for x
    x = 99,009,164,166.93/447,103.60
  6. Step 6: Final answer
    x = 221,445.69

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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.