Finding the Fourth Proportional to 212,508.50, 293,261.74 and 117,014.96
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Solution
The fourth proportional to 212,508.50, 293,261.74 and 117,014.96 is: 161,480.65
Step by Step Solution
- Step 1: Write the proportion equation
212,508.50 : 293,261.74 = 117,014.96 : x - Step 2: Convert to fraction form
212,508.50/293,261.74 = 117,014.96/x - Step 3: Cross multiply
212,508.50x = 293,261.74 × 117,014.96 - Step 4: Simplify right side
212,508.50x = 34,316,010,775.63 - Step 5: Solve for x
x = 34,316,010,775.63/212,508.50 - Step 6: Final answer
x = 161,480.65
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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.