Home / 320,484.98-480,268.20-179,948.36

Finding the Fourth Proportional to 320,484.98, 480,268.20 and 179,948.36

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Solution

The fourth proportional to 320,484.98, 480,268.20 and 179,948.36 is: 269,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,484.98 : 480,268.20 = 179,948.36 : x
  2. Step 2: Convert to fraction form
    320,484.98/480,268.20 = 179,948.36/x
  3. Step 3: Cross multiply
    320,484.98x = 480,268.20 × 179,948.36
  4. Step 4: Simplify right side
    320,484.98x = 86,423,474,950.15
  5. Step 5: Solve for x
    x = 86,423,474,950.15/320,484.98
  6. Step 6: Final answer
    x = 269,664.67

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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.