Finding the Fourth Proportional to 154,778.70, 213,504.10 and 97,327.07
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Solution
The fourth proportional to 154,778.70, 213,504.10 and 97,327.07 is: 134,254.45
Step by Step Solution
- Step 1: Write the proportion equation
154,778.70 : 213,504.10 = 97,327.07 : x - Step 2: Convert to fraction form
154,778.70/213,504.10 = 97,327.07/x - Step 3: Cross multiply
154,778.70x = 213,504.10 × 97,327.07 - Step 4: Simplify right side
154,778.70x = 20,779,728,523.25 - Step 5: Solve for x
x = 20,779,728,523.25/154,778.70 - Step 6: Final answer
x = 134,254.45
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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.