Finding the Fourth Proportional to 231,079.08, 318,579.84 and 207,459.48
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Solution
The fourth proportional to 231,079.08, 318,579.84 and 207,459.48 is: 286,016.41
Step by Step Solution
- Step 1: Write the proportion equation
231,079.08 : 318,579.84 = 207,459.48 : x - Step 2: Convert to fraction form
231,079.08/318,579.84 = 207,459.48/x - Step 3: Cross multiply
231,079.08x = 318,579.84 × 207,459.48 - Step 4: Simplify right side
231,079.08x = 66,092,407,944.88 - Step 5: Solve for x
x = 66,092,407,944.88/231,079.08 - Step 6: Final answer
x = 286,016.41
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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.