Home / 272,810.94-376,498-165,385.50

Finding the Fourth Proportional to 272,810.94, 376,498 and 165,385.50

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Solution

The fourth proportional to 272,810.94, 376,498 and 165,385.50 is: 228,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,810.94 : 376,498 = 165,385.50 : x
  2. Step 2: Convert to fraction form
    272,810.94/376,498 = 165,385.50/x
  3. Step 3: Cross multiply
    272,810.94x = 376,498 × 165,385.50
  4. Step 4: Simplify right side
    272,810.94x = 62,267,309,979
  5. Step 5: Solve for x
    x = 62,267,309,979/272,810.94
  6. Step 6: Final answer
    x = 228,243.45

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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.