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Finding the Fourth Proportional to 302,496.94, 453,745.55 and 124,808.65

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Solution

The fourth proportional to 302,496.94, 453,745.55 and 124,808.65 is: 187,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,496.94 : 453,745.55 = 124,808.65 : x
  2. Step 2: Convert to fraction form
    302,496.94/453,745.55 = 124,808.65/x
  3. Step 3: Cross multiply
    302,496.94x = 453,745.55 × 124,808.65
  4. Step 4: Simplify right side
    302,496.94x = 56,631,369,539.01
  5. Step 5: Solve for x
    x = 56,631,369,539.01/302,496.94
  6. Step 6: Final answer
    x = 187,213.03

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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.