Home / 286,168.28-395,018.22-245,719.60

Finding the Fourth Proportional to 286,168.28, 395,018.22 and 245,719.60

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Solution

The fourth proportional to 286,168.28, 395,018.22 and 245,719.60 is: 339,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,168.28 : 395,018.22 = 245,719.60 : x
  2. Step 2: Convert to fraction form
    286,168.28/395,018.22 = 245,719.60/x
  3. Step 3: Cross multiply
    286,168.28x = 395,018.22 × 245,719.60
  4. Step 4: Simplify right side
    286,168.28x = 97,063,719,011.11
  5. Step 5: Solve for x
    x = 97,063,719,011.11/286,168.28
  6. Step 6: Final answer
    x = 339,184.06

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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.