Finding the Fourth Proportional to 214,552.88, 295,877.02 and 128,498.08
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Solution
The fourth proportional to 214,552.88, 295,877.02 and 128,498.08 is: 177,204.00
Step by Step Solution
- Step 1: Write the proportion equation
214,552.88 : 295,877.02 = 128,498.08 : x - Step 2: Convert to fraction form
214,552.88/295,877.02 = 128,498.08/x - Step 3: Cross multiply
214,552.88x = 295,877.02 × 128,498.08 - Step 4: Simplify right side
214,552.88x = 38,019,628,986.12 - Step 5: Solve for x
x = 38,019,628,986.12/214,552.88 - Step 6: Final answer
x = 177,204.00
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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.