Home / 369,020.20-553,530.30-254,858.80

Finding the Fourth Proportional to 369,020.20, 553,530.30 and 254,858.80

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Solution

The fourth proportional to 369,020.20, 553,530.30 and 254,858.80 is: 382,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,020.20 : 553,530.30 = 254,858.80 : x
  2. Step 2: Convert to fraction form
    369,020.20/553,530.30 = 254,858.80/x
  3. Step 3: Cross multiply
    369,020.20x = 553,530.30 × 254,858.80
  4. Step 4: Simplify right side
    369,020.20x = 141,072,068,021.64
  5. Step 5: Solve for x
    x = 141,072,068,021.64/369,020.20
  6. Step 6: Final answer
    x = 382,288.20

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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.