Finding the Fourth Proportional to 303,725.21, 455,242.14 and 134,992.08
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Solution
The fourth proportional to 303,725.21, 455,242.14 and 134,992.08 is: 202,334.49
Step by Step Solution
- Step 1: Write the proportion equation
303,725.21 : 455,242.14 = 134,992.08 : x - Step 2: Convert to fraction form
303,725.21/455,242.14 = 134,992.08/x - Step 3: Cross multiply
303,725.21x = 455,242.14 × 134,992.08 - Step 4: Simplify right side
303,725.21x = 61,454,083,382.25 - Step 5: Solve for x
x = 61,454,083,382.25/303,725.21 - Step 6: Final answer
x = 202,334.49
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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.