Finding the Fourth Proportional to 217,577.02, 326,365.08 and 122,764.16
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Solution
The fourth proportional to 217,577.02, 326,365.08 and 122,764.16 is: 184,145.99
Step by Step Solution
- Step 1: Write the proportion equation
217,577.02 : 326,365.08 = 122,764.16 : x - Step 2: Convert to fraction form
217,577.02/326,365.08 = 122,764.16/x - Step 3: Cross multiply
217,577.02x = 326,365.08 × 122,764.16 - Step 4: Simplify right side
217,577.02x = 40,065,934,899.53 - Step 5: Solve for x
x = 40,065,934,899.53/217,577.02 - Step 6: Final answer
x = 184,145.99
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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.