Home / 214,753.12-320,683.40-175,388.32

Finding the Fourth Proportional to 214,753.12, 320,683.40 and 175,388.32

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Solution

The fourth proportional to 214,753.12, 320,683.40 and 175,388.32 is: 261,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,753.12 : 320,683.40 = 175,388.32 : x
  2. Step 2: Convert to fraction form
    214,753.12/320,683.40 = 175,388.32/x
  3. Step 3: Cross multiply
    214,753.12x = 320,683.40 × 175,388.32
  4. Step 4: Simplify right side
    214,753.12x = 56,244,122,777.89
  5. Step 5: Solve for x
    x = 56,244,122,777.89/214,753.12
  6. Step 6: Final answer
    x = 261,901.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.