Home / 501,386.34-691,918.50-271,943.94

Finding the Fourth Proportional to 501,386.34, 691,918.50 and 271,943.94

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Solution

The fourth proportional to 501,386.34, 691,918.50 and 271,943.94 is: 375,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,386.34 : 691,918.50 = 271,943.94 : x
  2. Step 2: Convert to fraction form
    501,386.34/691,918.50 = 271,943.94/x
  3. Step 3: Cross multiply
    501,386.34x = 691,918.50 × 271,943.94
  4. Step 4: Simplify right side
    501,386.34x = 188,163,043,048.89
  5. Step 5: Solve for x
    x = 188,163,043,048.89/501,386.34
  6. Step 6: Final answer
    x = 375,285.54

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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.