Home / 302,570.20-453,855.30-208,091.80

Finding the Fourth Proportional to 302,570.20, 453,855.30 and 208,091.80

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Solution

The fourth proportional to 302,570.20, 453,855.30 and 208,091.80 is: 312,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,570.20 : 453,855.30 = 208,091.80 : x
  2. Step 2: Convert to fraction form
    302,570.20/453,855.30 = 208,091.80/x
  3. Step 3: Cross multiply
    302,570.20x = 453,855.30 × 208,091.80
  4. Step 4: Simplify right side
    302,570.20x = 94,443,566,316.54
  5. Step 5: Solve for x
    x = 94,443,566,316.54/302,570.20
  6. Step 6: Final answer
    x = 312,137.70

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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.