Home / 301,579.42-451,680.08-143,918.60

Finding the Fourth Proportional to 301,579.42, 451,680.08 and 143,918.60

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Solution

The fourth proportional to 301,579.42, 451,680.08 and 143,918.60 is: 215,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,579.42 : 451,680.08 = 143,918.60 : x
  2. Step 2: Convert to fraction form
    301,579.42/451,680.08 = 143,918.60/x
  3. Step 3: Cross multiply
    301,579.42x = 451,680.08 × 143,918.60
  4. Step 4: Simplify right side
    301,579.42x = 65,005,164,761.49
  5. Step 5: Solve for x
    x = 65,005,164,761.49/301,579.42
  6. Step 6: Final answer
    x = 215,549.07

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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.