Home / 284,805.09-427,120.14-135,001.05

Finding the Fourth Proportional to 284,805.09, 427,120.14 and 135,001.05

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Solution

The fourth proportional to 284,805.09, 427,120.14 and 135,001.05 is: 202,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,805.09 : 427,120.14 = 135,001.05 : x
  2. Step 2: Convert to fraction form
    284,805.09/427,120.14 = 135,001.05/x
  3. Step 3: Cross multiply
    284,805.09x = 427,120.14 × 135,001.05
  4. Step 4: Simplify right side
    284,805.09x = 57,661,667,376.15
  5. Step 5: Solve for x
    x = 57,661,667,376.15/284,805.09
  6. Step 6: Final answer
    x = 202,460.10

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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.