Finding the Fourth Proportional to 374,090.84, 561,215.08 and 121,351.60
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Solution
The fourth proportional to 374,090.84, 561,215.08 and 121,351.60 is: 182,052.97
Step by Step Solution
- Step 1: Write the proportion equation
374,090.84 : 561,215.08 = 121,351.60 : x - Step 2: Convert to fraction form
374,090.84/561,215.08 = 121,351.60/x - Step 3: Cross multiply
374,090.84x = 561,215.08 × 121,351.60 - Step 4: Simplify right side
374,090.84x = 68,104,347,902.13 - Step 5: Solve for x
x = 68,104,347,902.13/374,090.84 - Step 6: Final answer
x = 182,052.97
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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.