Home / 670,022.83-1,005,072.55-190,213.10

Finding the Fourth Proportional to 670,022.83, 1,005,072.55 and 190,213.10

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Solution

The fourth proportional to 670,022.83, 1,005,072.55 and 190,213.10 is: 285,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,022.83 : 1,005,072.55 = 190,213.10 : x
  2. Step 2: Convert to fraction form
    670,022.83/1,005,072.55 = 190,213.10/x
  3. Step 3: Cross multiply
    670,022.83x = 1,005,072.55 × 190,213.10
  4. Step 4: Simplify right side
    670,022.83x = 191,177,964,798.48
  5. Step 5: Solve for x
    x = 191,177,964,798.48/670,022.83
  6. Step 6: Final answer
    x = 285,330.53

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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.