Home / 340,564.10-469,906.80-197,315.60

Finding the Fourth Proportional to 340,564.10, 469,906.80 and 197,315.60

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Solution

The fourth proportional to 340,564.10, 469,906.80 and 197,315.60 is: 272,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,564.10 : 469,906.80 = 197,315.60 : x
  2. Step 2: Convert to fraction form
    340,564.10/469,906.80 = 197,315.60/x
  3. Step 3: Cross multiply
    340,564.10x = 469,906.80 × 197,315.60
  4. Step 4: Simplify right side
    340,564.10x = 92,719,942,186.08
  5. Step 5: Solve for x
    x = 92,719,942,186.08/340,564.10
  6. Step 6: Final answer
    x = 272,254.01

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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.