Home / 380,558.35-570,871.26-100,075.60

Finding the Fourth Proportional to 380,558.35, 570,871.26 and 100,075.60

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Solution

The fourth proportional to 380,558.35, 570,871.26 and 100,075.60 is: 150,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,558.35 : 570,871.26 = 100,075.60 : x
  2. Step 2: Convert to fraction form
    380,558.35/570,871.26 = 100,075.60/x
  3. Step 3: Cross multiply
    380,558.35x = 570,871.26 × 100,075.60
  4. Step 4: Simplify right side
    380,558.35x = 57,130,284,580.85
  5. Step 5: Solve for x
    x = 57,130,284,580.85/380,558.35
  6. Step 6: Final answer
    x = 150,122.27

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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.