Finding the Fourth Proportional to 255,088.80, 382,639.50 and 121,983.12
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Solution
The fourth proportional to 255,088.80, 382,639.50 and 121,983.12 is: 182,977.69
Step by Step Solution
- Step 1: Write the proportion equation
255,088.80 : 382,639.50 = 121,983.12 : x - Step 2: Convert to fraction form
255,088.80/382,639.50 = 121,983.12/x - Step 3: Cross multiply
255,088.80x = 382,639.50 × 121,983.12 - Step 4: Simplify right side
255,088.80x = 46,675,560,045.24 - Step 5: Solve for x
x = 46,675,560,045.24/255,088.80 - Step 6: Final answer
x = 182,977.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.