Home / 369,972.52-554,743.40-145,069.34

Finding the Fourth Proportional to 369,972.52, 554,743.40 and 145,069.34

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Solution

The fourth proportional to 369,972.52, 554,743.40 and 145,069.34 is: 217,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,972.52 : 554,743.40 = 145,069.34 : x
  2. Step 2: Convert to fraction form
    369,972.52/554,743.40 = 145,069.34/x
  3. Step 3: Cross multiply
    369,972.52x = 554,743.40 × 145,069.34
  4. Step 4: Simplify right side
    369,972.52x = 80,476,258,907.36
  5. Step 5: Solve for x
    x = 80,476,258,907.36/369,972.52
  6. Step 6: Final answer
    x = 217,519.56

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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.