Finding the Fourth Proportional to 277,189.36, 382,521.40 and 149,864.96
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Solution
The fourth proportional to 277,189.36, 382,521.40 and 149,864.96 is: 206,813.69
Step by Step Solution
- Step 1: Write the proportion equation
277,189.36 : 382,521.40 = 149,864.96 : x - Step 2: Convert to fraction form
277,189.36/382,521.40 = 149,864.96/x - Step 3: Cross multiply
277,189.36x = 382,521.40 × 149,864.96 - Step 4: Simplify right side
277,189.36x = 57,326,554,310.14 - Step 5: Solve for x
x = 57,326,554,310.14/277,189.36 - Step 6: Final answer
x = 206,813.69
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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.