Finding the Fourth Proportional to 277,290.17, 382,660.69 and 149,965.77
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Solution
The fourth proportional to 277,290.17, 382,660.69 and 149,965.77 is: 206,952.90
Step by Step Solution
- Step 1: Write the proportion equation
277,290.17 : 382,660.69 = 149,965.77 : x - Step 2: Convert to fraction form
277,290.17/382,660.69 = 149,965.77/x - Step 3: Cross multiply
277,290.17x = 382,660.69 × 149,965.77 - Step 4: Simplify right side
277,290.17x = 57,386,005,024.58 - Step 5: Solve for x
x = 57,386,005,024.58/277,290.17 - Step 6: Final answer
x = 206,952.90
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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.