Home / 470,015.50-648,622.20-268,811.50

Finding the Fourth Proportional to 470,015.50, 648,622.20 and 268,811.50

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Solution

The fourth proportional to 470,015.50, 648,622.20 and 268,811.50 is: 370,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,015.50 : 648,622.20 = 268,811.50 : x
  2. Step 2: Convert to fraction form
    470,015.50/648,622.20 = 268,811.50/x
  3. Step 3: Cross multiply
    470,015.50x = 648,622.20 × 268,811.50
  4. Step 4: Simplify right side
    470,015.50x = 174,357,106,515.30
  5. Step 5: Solve for x
    x = 174,357,106,515.30/470,015.50
  6. Step 6: Final answer
    x = 370,960.33

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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.