Home / 340,949.88-470,406.42-197,681.16

Finding the Fourth Proportional to 340,949.88, 470,406.42 and 197,681.16

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Solution

The fourth proportional to 340,949.88, 470,406.42 and 197,681.16 is: 272,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,949.88 : 470,406.42 = 197,681.16 : x
  2. Step 2: Convert to fraction form
    340,949.88/470,406.42 = 197,681.16/x
  3. Step 3: Cross multiply
    340,949.88x = 470,406.42 × 197,681.16
  4. Step 4: Simplify right side
    340,949.88x = 92,990,486,777.05
  5. Step 5: Solve for x
    x = 92,990,486,777.05/340,949.88
  6. Step 6: Final answer
    x = 272,739.46

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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.