Finding the Fourth Proportional to 135,204.08, 186,580.53 and 74,777.26
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Solution
The fourth proportional to 135,204.08, 186,580.53 and 74,777.26 is: 103,192.01
Step by Step Solution
- Step 1: Write the proportion equation
135,204.08 : 186,580.53 = 74,777.26 : x - Step 2: Convert to fraction form
135,204.08/186,580.53 = 74,777.26/x - Step 3: Cross multiply
135,204.08x = 186,580.53 × 74,777.26 - Step 4: Simplify right side
135,204.08x = 13,951,980,802.75 - Step 5: Solve for x
x = 13,951,980,802.75/135,204.08 - Step 6: Final answer
x = 103,192.01
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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.