Home / 257,850.20-386,930.81-110,106.20

Finding the Fourth Proportional to 257,850.20, 386,930.81 and 110,106.20

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Solution

The fourth proportional to 257,850.20, 386,930.81 and 110,106.20 is: 165,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,850.20 : 386,930.81 = 110,106.20 : x
  2. Step 2: Convert to fraction form
    257,850.20/386,930.81 = 110,106.20/x
  3. Step 3: Cross multiply
    257,850.20x = 386,930.81 × 110,106.20
  4. Step 4: Simplify right side
    257,850.20x = 42,603,478,666.84
  5. Step 5: Solve for x
    x = 42,603,478,666.84/257,850.20
  6. Step 6: Final answer
    x = 165,225.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.