Home / 355,986.36-536,456.18-322,262.82

Finding the Fourth Proportional to 355,986.36, 536,456.18 and 322,262.82

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Solution

The fourth proportional to 355,986.36, 536,456.18 and 322,262.82 is: 485,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,986.36 : 536,456.18 = 322,262.82 : x
  2. Step 2: Convert to fraction form
    355,986.36/536,456.18 = 322,262.82/x
  3. Step 3: Cross multiply
    355,986.36x = 536,456.18 × 322,262.82
  4. Step 4: Simplify right side
    355,986.36x = 172,879,882,178.89
  5. Step 5: Solve for x
    x = 172,879,882,178.89/355,986.36
  6. Step 6: Final answer
    x = 485,636.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.