Home / 395,412.25-593,088.77-142,692.72

Finding the Fourth Proportional to 395,412.25, 593,088.77 and 142,692.72

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Solution

The fourth proportional to 395,412.25, 593,088.77 and 142,692.72 is: 214,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,412.25 : 593,088.77 = 142,692.72 : x
  2. Step 2: Convert to fraction form
    395,412.25/593,088.77 = 142,692.72/x
  3. Step 3: Cross multiply
    395,412.25x = 593,088.77 × 142,692.72
  4. Step 4: Simplify right side
    395,412.25x = 84,629,450,458.88
  5. Step 5: Solve for x
    x = 84,629,450,458.88/395,412.25
  6. Step 6: Final answer
    x = 214,028.40

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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.