Home / 367,236.12-507,247.78-302,938.36

Finding the Fourth Proportional to 367,236.12, 507,247.78 and 302,938.36

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Solution

The fourth proportional to 367,236.12, 507,247.78 and 302,938.36 is: 418,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,236.12 : 507,247.78 = 302,938.36 : x
  2. Step 2: Convert to fraction form
    367,236.12/507,247.78 = 302,938.36/x
  3. Step 3: Cross multiply
    367,236.12x = 507,247.78 × 302,938.36
  4. Step 4: Simplify right side
    367,236.12x = 153,664,810,586.84
  5. Step 5: Solve for x
    x = 153,664,810,586.84/367,236.12
  6. Step 6: Final answer
    x = 418,435.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.