Finding the Fourth Proportional to 97,427.97, 146,147.62 and 27,312.75
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Solution
The fourth proportional to 97,427.97, 146,147.62 and 27,312.75 is: 40,970.71
Step by Step Solution
- Step 1: Write the proportion equation
97,427.97 : 146,147.62 = 27,312.75 : x - Step 2: Convert to fraction form
97,427.97/146,147.62 = 27,312.75/x - Step 3: Cross multiply
97,427.97x = 146,147.62 × 27,312.75 - Step 4: Simplify right side
97,427.97x = 3,991,693,408.16 - Step 5: Solve for x
x = 3,991,693,408.16/97,427.97 - Step 6: Final answer
x = 40,970.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.