Home / 351,405.09-484,470.03-263,819.40

Finding the Fourth Proportional to 351,405.09, 484,470.03 and 263,819.40

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Solution

The fourth proportional to 351,405.09, 484,470.03 and 263,819.40 is: 363,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,405.09 : 484,470.03 = 263,819.40 : x
  2. Step 2: Convert to fraction form
    351,405.09/484,470.03 = 263,819.40/x
  3. Step 3: Cross multiply
    351,405.09x = 484,470.03 × 263,819.40
  4. Step 4: Simplify right side
    351,405.09x = 127,812,592,632.58
  5. Step 5: Solve for x
    x = 127,812,592,632.58/351,405.09
  6. Step 6: Final answer
    x = 363,718.67

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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.