Home / 261,511.04-391,922.24-103,653.44

Finding the Fourth Proportional to 261,511.04, 391,922.24 and 103,653.44

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Solution

The fourth proportional to 261,511.04, 391,922.24 and 103,653.44 is: 155,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,511.04 : 391,922.24 = 103,653.44 : x
  2. Step 2: Convert to fraction form
    261,511.04/391,922.24 = 103,653.44/x
  3. Step 3: Cross multiply
    261,511.04x = 391,922.24 × 103,653.44
  4. Step 4: Simplify right side
    261,511.04x = 40,624,088,388.51
  5. Step 5: Solve for x
    x = 40,624,088,388.51/261,511.04
  6. Step 6: Final answer
    x = 155,343.68

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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.