Home / 302,687.37-454,090.89-89,459.12

Finding the Fourth Proportional to 302,687.37, 454,090.89 and 89,459.12

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Solution

The fourth proportional to 302,687.37, 454,090.89 and 89,459.12 is: 134,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,687.37 : 454,090.89 = 89,459.12 : x
  2. Step 2: Convert to fraction form
    302,687.37/454,090.89 = 89,459.12/x
  3. Step 3: Cross multiply
    302,687.37x = 454,090.89 × 89,459.12
  4. Step 4: Simplify right side
    302,687.37x = 40,622,571,419.42
  5. Step 5: Solve for x
    x = 40,622,571,419.42/302,687.37
  6. Step 6: Final answer
    x = 134,206.36

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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.