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Finding the Fourth Proportional to 294,668.20, 441,346.20 and 255,302.20

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Solution

The fourth proportional to 294,668.20, 441,346.20 and 255,302.20 is: 382,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,668.20 : 441,346.20 = 255,302.20 : x
  2. Step 2: Convert to fraction form
    294,668.20/441,346.20 = 255,302.20/x
  3. Step 3: Cross multiply
    294,668.20x = 441,346.20 × 255,302.20
  4. Step 4: Simplify right side
    294,668.20x = 112,676,655,821.64
  5. Step 5: Solve for x
    x = 112,676,655,821.64/294,668.20
  6. Step 6: Final answer
    x = 382,384.85

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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.