Home / 369,771.06-554,282.91-145,043.48

Finding the Fourth Proportional to 369,771.06, 554,282.91 and 145,043.48

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Solution

The fourth proportional to 369,771.06, 554,282.91 and 145,043.48 is: 217,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,771.06 : 554,282.91 = 145,043.48 : x
  2. Step 2: Convert to fraction form
    369,771.06/554,282.91 = 145,043.48/x
  3. Step 3: Cross multiply
    369,771.06x = 554,282.91 × 145,043.48
  4. Step 4: Simplify right side
    369,771.06x = 80,395,122,170.93
  5. Step 5: Solve for x
    x = 80,395,122,170.93/369,771.06
  6. Step 6: Final answer
    x = 217,418.64

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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.