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Finding the Fourth Proportional to 302,843.80, 454,265.70 and 289,065.70

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Solution

The fourth proportional to 302,843.80, 454,265.70 and 289,065.70 is: 433,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,843.80 : 454,265.70 = 289,065.70 : x
  2. Step 2: Convert to fraction form
    302,843.80/454,265.70 = 289,065.70/x
  3. Step 3: Cross multiply
    302,843.80x = 454,265.70 × 289,065.70
  4. Step 4: Simplify right side
    302,843.80x = 131,312,632,556.49
  5. Step 5: Solve for x
    x = 131,312,632,556.49/302,843.80
  6. Step 6: Final answer
    x = 433,598.55

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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.