Home / 262,599.07-362,021.33-221,931.81

Finding the Fourth Proportional to 262,599.07, 362,021.33 and 221,931.81

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Solution

The fourth proportional to 262,599.07, 362,021.33 and 221,931.81 is: 305,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,599.07 : 362,021.33 = 221,931.81 : x
  2. Step 2: Convert to fraction form
    262,599.07/362,021.33 = 221,931.81/x
  3. Step 3: Cross multiply
    262,599.07x = 362,021.33 × 221,931.81
  4. Step 4: Simplify right side
    262,599.07x = 80,344,046,105.74
  5. Step 5: Solve for x
    x = 80,344,046,105.74/262,599.07
  6. Step 6: Final answer
    x = 305,957.09

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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.