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Finding the Fourth Proportional to 200,675.07, 301,028.99 and 100,783.89

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Solution

The fourth proportional to 200,675.07, 301,028.99 and 100,783.89 is: 151,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,675.07 : 301,028.99 = 100,783.89 : x
  2. Step 2: Convert to fraction form
    200,675.07/301,028.99 = 100,783.89/x
  3. Step 3: Cross multiply
    200,675.07x = 301,028.99 × 100,783.89
  4. Step 4: Simplify right side
    200,675.07x = 30,338,872,111.05
  5. Step 5: Solve for x
    x = 30,338,872,111.05/200,675.07
  6. Step 6: Final answer
    x = 151,184.06

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1.5x scale

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.