Finding the Fourth Proportional to 178,058.67, 245,720.84 and 97,486.17
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Solution
The fourth proportional to 178,058.67, 245,720.84 and 97,486.17 is: 134,530.85
Step by Step Solution
- Step 1: Write the proportion equation
178,058.67 : 245,720.84 = 97,486.17 : x - Step 2: Convert to fraction form
178,058.67/245,720.84 = 97,486.17/x - Step 3: Cross multiply
178,058.67x = 245,720.84 × 97,486.17 - Step 4: Simplify right side
178,058.67x = 23,954,383,580.78 - Step 5: Solve for x
x = 23,954,383,580.78/178,058.67 - Step 6: Final answer
x = 134,530.85
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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.