Home / 205,302.20-307,953.30-170,310.20

Finding the Fourth Proportional to 205,302.20, 307,953.30 and 170,310.20

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Solution

The fourth proportional to 205,302.20, 307,953.30 and 170,310.20 is: 255,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,302.20 : 307,953.30 = 170,310.20 : x
  2. Step 2: Convert to fraction form
    205,302.20/307,953.30 = 170,310.20/x
  3. Step 3: Cross multiply
    205,302.20x = 307,953.30 × 170,310.20
  4. Step 4: Simplify right side
    205,302.20x = 52,447,588,113.66
  5. Step 5: Solve for x
    x = 52,447,588,113.66/205,302.20
  6. Step 6: Final answer
    x = 255,465.30

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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.