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Finding the Fourth Proportional to 375,533.94, 563,389.50 and 122,813.44

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Solution

The fourth proportional to 375,533.94, 563,389.50 and 122,813.44 is: 184,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,533.94 : 563,389.50 = 122,813.44 : x
  2. Step 2: Convert to fraction form
    375,533.94/563,389.50 = 122,813.44/x
  3. Step 3: Cross multiply
    375,533.94x = 563,389.50 × 122,813.44
  4. Step 4: Simplify right side
    375,533.94x = 69,191,802,554.88
  5. Step 5: Solve for x
    x = 69,191,802,554.88/375,533.94
  6. Step 6: Final answer
    x = 184,249.13

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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.