Finding the Fourth Proportional to 104,918.36, 157,393.08 and 38,342.96
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Solution
The fourth proportional to 104,918.36, 157,393.08 and 38,342.96 is: 57,520.12
Step by Step Solution
- Step 1: Write the proportion equation
104,918.36 : 157,393.08 = 38,342.96 : x - Step 2: Convert to fraction form
104,918.36/157,393.08 = 38,342.96/x - Step 3: Cross multiply
104,918.36x = 157,393.08 × 38,342.96 - Step 4: Simplify right side
104,918.36x = 6,034,916,570.72 - Step 5: Solve for x
x = 6,034,916,570.72/104,918.36 - Step 6: Final answer
x = 57,520.12
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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.