Finding the Fourth Proportional to 145,776.35, 201,052.43 and 122,402.55
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Solution
The fourth proportional to 145,776.35, 201,052.43 and 122,402.55 is: 168,815.66
Step by Step Solution
- Step 1: Write the proportion equation
145,776.35 : 201,052.43 = 122,402.55 : x - Step 2: Convert to fraction form
145,776.35/201,052.43 = 122,402.55/x - Step 3: Cross multiply
145,776.35x = 201,052.43 × 122,402.55 - Step 4: Simplify right side
145,776.35x = 24,609,330,716.64 - Step 5: Solve for x
x = 24,609,330,716.64/145,776.35 - Step 6: Final answer
x = 168,815.66
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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.