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Finding the Fourth Proportional to 371,530.58, 512,843.01 and 220,626.50

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Solution

The fourth proportional to 371,530.58, 512,843.01 and 220,626.50 is: 304,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,530.58 : 512,843.01 = 220,626.50 : x
  2. Step 2: Convert to fraction form
    371,530.58/512,843.01 = 220,626.50/x
  3. Step 3: Cross multiply
    371,530.58x = 512,843.01 × 220,626.50
  4. Step 4: Simplify right side
    371,530.58x = 113,146,758,345.77
  5. Step 5: Solve for x
    x = 113,146,758,345.77/371,530.58
  6. Step 6: Final answer
    x = 304,542.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.