Home / 369,028.20-553,542.30-254,866.80

Finding the Fourth Proportional to 369,028.20, 553,542.30 and 254,866.80

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Solution

The fourth proportional to 369,028.20, 553,542.30 and 254,866.80 is: 382,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,028.20 : 553,542.30 = 254,866.80 : x
  2. Step 2: Convert to fraction form
    369,028.20/553,542.30 = 254,866.80/x
  3. Step 3: Cross multiply
    369,028.20x = 553,542.30 × 254,866.80
  4. Step 4: Simplify right side
    369,028.20x = 141,079,554,665.64
  5. Step 5: Solve for x
    x = 141,079,554,665.64/369,028.20
  6. Step 6: Final answer
    x = 382,300.20

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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.