Finding the Fourth Proportional to 202,907.16, 280,109.52 and 135,037.08
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Solution
The fourth proportional to 202,907.16, 280,109.52 and 135,037.08 is: 186,416.15
Step by Step Solution
- Step 1: Write the proportion equation
202,907.16 : 280,109.52 = 135,037.08 : x - Step 2: Convert to fraction form
202,907.16/280,109.52 = 135,037.08/x - Step 3: Cross multiply
202,907.16x = 280,109.52 × 135,037.08 - Step 4: Simplify right side
202,907.16x = 37,825,171,661.00 - Step 5: Solve for x
x = 37,825,171,661.00/202,907.16 - Step 6: Final answer
x = 186,416.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.