Home / 320,825.84-480,968.06-202,235.72

Finding the Fourth Proportional to 320,825.84, 480,968.06 and 202,235.72

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Solution

The fourth proportional to 320,825.84, 480,968.06 and 202,235.72 is: 303,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,825.84 : 480,968.06 = 202,235.72 : x
  2. Step 2: Convert to fraction form
    320,825.84/480,968.06 = 202,235.72/x
  3. Step 3: Cross multiply
    320,825.84x = 480,968.06 × 202,235.72
  4. Step 4: Simplify right side
    320,825.84x = 97,268,921,911.10
  5. Step 5: Solve for x
    x = 97,268,921,911.10/320,825.84
  6. Step 6: Final answer
    x = 303,182.94

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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.