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Finding the Fourth Proportional to 366,907.60, 550,361.40 and 156,566.80

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Solution

The fourth proportional to 366,907.60, 550,361.40 and 156,566.80 is: 234,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.60 : 550,361.40 = 156,566.80 : x
  2. Step 2: Convert to fraction form
    366,907.60/550,361.40 = 156,566.80/x
  3. Step 3: Cross multiply
    366,907.60x = 550,361.40 × 156,566.80
  4. Step 4: Simplify right side
    366,907.60x = 86,168,323,241.52
  5. Step 5: Solve for x
    x = 86,168,323,241.52/366,907.60
  6. Step 6: Final answer
    x = 234,850.20

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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.