Finding the Fourth Proportional to 133,028.96, 183,580.08 and 73,412.96
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Solution
The fourth proportional to 133,028.96, 183,580.08 and 73,412.96 is: 101,309.95
Step by Step Solution
- Step 1: Write the proportion equation
133,028.96 : 183,580.08 = 73,412.96 : x - Step 2: Convert to fraction form
133,028.96/183,580.08 = 73,412.96/x - Step 3: Cross multiply
133,028.96x = 183,580.08 × 73,412.96 - Step 4: Simplify right side
133,028.96x = 13,477,157,069.84 - Step 5: Solve for x
x = 13,477,157,069.84/133,028.96 - Step 6: Final answer
x = 101,309.95
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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.