Finding the Fourth Proportional to 274,299.62, 378,551.48 and 153,461.79
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Solution
The fourth proportional to 274,299.62, 378,551.48 and 153,461.79 is: 211,787.34
Step by Step Solution
- Step 1: Write the proportion equation
274,299.62 : 378,551.48 = 153,461.79 : x - Step 2: Convert to fraction form
274,299.62/378,551.48 = 153,461.79/x - Step 3: Cross multiply
274,299.62x = 378,551.48 × 153,461.79 - Step 4: Simplify right side
274,299.62x = 58,093,186,960.64 - Step 5: Solve for x
x = 58,093,186,960.64/274,299.62 - Step 6: Final answer
x = 211,787.34
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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.