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Finding the Fourth Proportional to 302,206.80, 453,310.20 and 269,547.60

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Solution

The fourth proportional to 302,206.80, 453,310.20 and 269,547.60 is: 404,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,206.80 : 453,310.20 = 269,547.60 : x
  2. Step 2: Convert to fraction form
    302,206.80/453,310.20 = 269,547.60/x
  3. Step 3: Cross multiply
    302,206.80x = 453,310.20 × 269,547.60
  4. Step 4: Simplify right side
    302,206.80x = 122,188,676,465.52
  5. Step 5: Solve for x
    x = 122,188,676,465.52/302,206.80
  6. Step 6: Final answer
    x = 404,321.40

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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.