Finding the Fourth Proportional to 214,551.88, 295,875.64 and 128,497.08
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Solution
The fourth proportional to 214,551.88, 295,875.64 and 128,497.08 is: 177,202.62
Step by Step Solution
- Step 1: Write the proportion equation
214,551.88 : 295,875.64 = 128,497.08 : x - Step 2: Convert to fraction form
214,551.88/295,875.64 = 128,497.08/x - Step 3: Cross multiply
214,551.88x = 295,875.64 × 128,497.08 - Step 4: Simplify right side
214,551.88x = 38,019,155,783.13 - Step 5: Solve for x
x = 38,019,155,783.13/214,551.88 - Step 6: Final answer
x = 177,202.62
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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.