Home / 320,184.11-480,359.12-170,301.03

Finding the Fourth Proportional to 320,184.11, 480,359.12 and 170,301.03

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Solution

The fourth proportional to 320,184.11, 480,359.12 and 170,301.03 is: 255,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,184.11 : 480,359.12 = 170,301.03 : x
  2. Step 2: Convert to fraction form
    320,184.11/480,359.12 = 170,301.03/x
  3. Step 3: Cross multiply
    320,184.11x = 480,359.12 × 170,301.03
  4. Step 4: Simplify right side
    320,184.11x = 81,805,652,054.39
  5. Step 5: Solve for x
    x = 81,805,652,054.39/320,184.11
  6. Step 6: Final answer
    x = 255,495.67

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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.