Finding the Fourth Proportional to 274,119.59, 378,292.91 and 153,261.19
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Solution
The fourth proportional to 274,119.59, 378,292.91 and 153,261.19 is: 211,504.84
Step by Step Solution
- Step 1: Write the proportion equation
274,119.59 : 378,292.91 = 153,261.19 : x - Step 2: Convert to fraction form
274,119.59/378,292.91 = 153,261.19/x - Step 3: Cross multiply
274,119.59x = 378,292.91 × 153,261.19 - Step 4: Simplify right side
274,119.59x = 57,977,620,628.82 - Step 5: Solve for x
x = 57,977,620,628.82/274,119.59 - Step 6: Final answer
x = 211,504.84
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1.5x scale
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.