Home / 307,722.24-424,659.84-180,401.28

Finding the Fourth Proportional to 307,722.24, 424,659.84 and 180,401.28

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Solution

The fourth proportional to 307,722.24, 424,659.84 and 180,401.28 is: 248,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,722.24 : 424,659.84 = 180,401.28 : x
  2. Step 2: Convert to fraction form
    307,722.24/424,659.84 = 180,401.28/x
  3. Step 3: Cross multiply
    307,722.24x = 424,659.84 × 180,401.28
  4. Step 4: Simplify right side
    307,722.24x = 76,609,178,700.60
  5. Step 5: Solve for x
    x = 76,609,178,700.60/307,722.24
  6. Step 6: Final answer
    x = 248,955.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.