Home / 340,954.38-470,412.63-197,685.66

Finding the Fourth Proportional to 340,954.38, 470,412.63 and 197,685.66

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Solution

The fourth proportional to 340,954.38, 470,412.63 and 197,685.66 is: 272,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,954.38 : 470,412.63 = 197,685.66 : x
  2. Step 2: Convert to fraction form
    340,954.38/470,412.63 = 197,685.66/x
  3. Step 3: Cross multiply
    340,954.38x = 470,412.63 × 197,685.66
  4. Step 4: Simplify right side
    340,954.38x = 92,993,831,233.89
  5. Step 5: Solve for x
    x = 92,993,831,233.89/340,954.38
  6. Step 6: Final answer
    x = 272,745.67

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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.