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Finding the Fourth Proportional to 404,544.70, 607,205.85 and 205,090.30

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Solution

The fourth proportional to 404,544.70, 607,205.85 and 205,090.30 is: 307,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,544.70 : 607,205.85 = 205,090.30 : x
  2. Step 2: Convert to fraction form
    404,544.70/607,205.85 = 205,090.30/x
  3. Step 3: Cross multiply
    404,544.70x = 607,205.85 × 205,090.30
  4. Step 4: Simplify right side
    404,544.70x = 124,532,029,938.26
  5. Step 5: Solve for x
    x = 124,532,029,938.26/404,544.70
  6. Step 6: Final answer
    x = 307,832.56

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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.