Home / 670,396.20-1,005,618.60-197,129.40

Finding the Fourth Proportional to 670,396.20, 1,005,618.60 and 197,129.40

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Solution

The fourth proportional to 670,396.20, 1,005,618.60 and 197,129.40 is: 295,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,396.20 : 1,005,618.60 = 197,129.40 : x
  2. Step 2: Convert to fraction form
    670,396.20/1,005,618.60 = 197,129.40/x
  3. Step 3: Cross multiply
    670,396.20x = 1,005,618.60 × 197,129.40
  4. Step 4: Simplify right side
    670,396.20x = 198,236,991,246.84
  5. Step 5: Solve for x
    x = 198,236,991,246.84/670,396.20
  6. Step 6: Final answer
    x = 295,701.25

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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.