Finding the Fourth Proportional to 145,671.75, 201,032.49 and 80,263.26
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Solution
The fourth proportional to 145,671.75, 201,032.49 and 80,263.26 is: 110,766.32
Step by Step Solution
- Step 1: Write the proportion equation
145,671.75 : 201,032.49 = 80,263.26 : x - Step 2: Convert to fraction form
145,671.75/201,032.49 = 80,263.26/x - Step 3: Cross multiply
145,671.75x = 201,032.49 × 80,263.26 - Step 4: Simplify right side
145,671.75x = 16,135,523,013.32 - Step 5: Solve for x
x = 16,135,523,013.32/145,671.75 - Step 6: Final answer
x = 110,766.32
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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.