Home / 369,412.20-553,896.09-144,504.36

Finding the Fourth Proportional to 369,412.20, 553,896.09 and 144,504.36

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Solution

The fourth proportional to 369,412.20, 553,896.09 and 144,504.36 is: 216,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,412.20 : 553,896.09 = 144,504.36 : x
  2. Step 2: Convert to fraction form
    369,412.20/553,896.09 = 144,504.36/x
  3. Step 3: Cross multiply
    369,412.20x = 553,896.09 × 144,504.36
  4. Step 4: Simplify right side
    369,412.20x = 80,040,399,991.95
  5. Step 5: Solve for x
    x = 80,040,399,991.95/369,412.20
  6. Step 6: Final answer
    x = 216,669.62

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1.5x scale

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.