Home / 456,132.80-629,494.08-265,145.60

Finding the Fourth Proportional to 456,132.80, 629,494.08 and 265,145.60

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Solution

The fourth proportional to 456,132.80, 629,494.08 and 265,145.60 is: 365,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,132.80 : 629,494.08 = 265,145.60 : x
  2. Step 2: Convert to fraction form
    456,132.80/629,494.08 = 265,145.60/x
  3. Step 3: Cross multiply
    456,132.80x = 629,494.08 × 265,145.60
  4. Step 4: Simplify right side
    456,132.80x = 166,907,585,538.05
  5. Step 5: Solve for x
    x = 166,907,585,538.05/456,132.80
  6. Step 6: Final answer
    x = 365,918.84

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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.