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Finding the Fourth Proportional to 272,137.36, 375,418.86 and 234,346

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Solution

The fourth proportional to 272,137.36, 375,418.86 and 234,346 is: 323,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,137.36 : 375,418.86 = 234,346 : x
  2. Step 2: Convert to fraction form
    272,137.36/375,418.86 = 234,346/x
  3. Step 3: Cross multiply
    272,137.36x = 375,418.86 × 234,346
  4. Step 4: Simplify right side
    272,137.36x = 87,977,908,165.56
  5. Step 5: Solve for x
    x = 87,977,908,165.56/272,137.36
  6. Step 6: Final answer
    x = 323,284.93

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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.