Home / 302,515.20-453,772.80-202,982.40

Finding the Fourth Proportional to 302,515.20, 453,772.80 and 202,982.40

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Solution

The fourth proportional to 302,515.20, 453,772.80 and 202,982.40 is: 304,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,515.20 : 453,772.80 = 202,982.40 : x
  2. Step 2: Convert to fraction form
    302,515.20/453,772.80 = 202,982.40/x
  3. Step 3: Cross multiply
    302,515.20x = 453,772.80 × 202,982.40
  4. Step 4: Simplify right side
    302,515.20x = 92,107,891,998.72
  5. Step 5: Solve for x
    x = 92,107,891,998.72/302,515.20
  6. Step 6: Final answer
    x = 304,473.60

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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.