Finding the Fourth Proportional to 274,119.18, 378,347.67 and 178,459.26
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Solution
The fourth proportional to 274,119.18, 378,347.67 and 178,459.26 is: 246,314.92
Step by Step Solution
- Step 1: Write the proportion equation
274,119.18 : 378,347.67 = 178,459.26 : x - Step 2: Convert to fraction form
274,119.18/378,347.67 = 178,459.26/x - Step 3: Cross multiply
274,119.18x = 378,347.67 × 178,459.26 - Step 4: Simplify right side
274,119.18x = 67,519,645,210.92 - Step 5: Solve for x
x = 67,519,645,210.92/274,119.18 - Step 6: Final answer
x = 246,314.92
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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.