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Finding the Fourth Proportional to 375,519.36, 563,408.64 and 235,110.72

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Solution

The fourth proportional to 375,519.36, 563,408.64 and 235,110.72 is: 352,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,519.36 : 563,408.64 = 235,110.72 : x
  2. Step 2: Convert to fraction form
    375,519.36/563,408.64 = 235,110.72/x
  3. Step 3: Cross multiply
    375,519.36x = 563,408.64 × 235,110.72
  4. Step 4: Simplify right side
    375,519.36x = 132,463,411,004.62
  5. Step 5: Solve for x
    x = 132,463,411,004.62/375,519.36
  6. Step 6: Final answer
    x = 352,747.22

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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.