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Finding the Fourth Proportional to 404,877.60, 607,200.30 and 120,556.26

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Solution

The fourth proportional to 404,877.60, 607,200.30 and 120,556.26 is: 180,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,877.60 : 607,200.30 = 120,556.26 : x
  2. Step 2: Convert to fraction form
    404,877.60/607,200.30 = 120,556.26/x
  3. Step 3: Cross multiply
    404,877.60x = 607,200.30 × 120,556.26
  4. Step 4: Simplify right side
    404,877.60x = 73,201,797,238.88
  5. Step 5: Solve for x
    x = 73,201,797,238.88/404,877.60
  6. Step 6: Final answer
    x = 180,799.82

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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.