Home / 670,377.96-1,005,353.73-221,015.16

Finding the Fourth Proportional to 670,377.96, 1,005,353.73 and 221,015.16

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Solution

The fourth proportional to 670,377.96, 1,005,353.73 and 221,015.16 is: 331,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,377.96 : 1,005,353.73 = 221,015.16 : x
  2. Step 2: Convert to fraction form
    670,377.96/1,005,353.73 = 221,015.16/x
  3. Step 3: Cross multiply
    670,377.96x = 1,005,353.73 × 221,015.16
  4. Step 4: Simplify right side
    670,377.96x = 222,198,415,492.55
  5. Step 5: Solve for x
    x = 222,198,415,492.55/670,377.96
  6. Step 6: Final answer
    x = 331,452.45

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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.