Home / 395,917.04-593,886.90-143,220.80

Finding the Fourth Proportional to 395,917.04, 593,886.90 and 143,220.80

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Solution

The fourth proportional to 395,917.04, 593,886.90 and 143,220.80 is: 214,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,917.04 : 593,886.90 = 143,220.80 : x
  2. Step 2: Convert to fraction form
    395,917.04/593,886.90 = 143,220.80/x
  3. Step 3: Cross multiply
    395,917.04x = 593,886.90 × 143,220.80
  4. Step 4: Simplify right side
    395,917.04x = 85,056,956,927.52
  5. Step 5: Solve for x
    x = 85,056,956,927.52/395,917.04
  6. Step 6: Final answer
    x = 214,835.30

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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.