Home / 547,814.48-821,721.72-148,455.23

Finding the Fourth Proportional to 547,814.48, 821,721.72 and 148,455.23

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Solution

The fourth proportional to 547,814.48, 821,721.72 and 148,455.23 is: 222,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,814.48 : 821,721.72 = 148,455.23 : x
  2. Step 2: Convert to fraction form
    547,814.48/821,721.72 = 148,455.23/x
  3. Step 3: Cross multiply
    547,814.48x = 821,721.72 × 148,455.23
  4. Step 4: Simplify right side
    547,814.48x = 121,988,882,829.99
  5. Step 5: Solve for x
    x = 121,988,882,829.99/547,814.48
  6. Step 6: Final answer
    x = 222,682.84

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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.