Finding the Fourth Proportional to 104,782.08, 157,171.68 and 38,221.68
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Solution
The fourth proportional to 104,782.08, 157,171.68 and 38,221.68 is: 57,331.99
Step by Step Solution
- Step 1: Write the proportion equation
104,782.08 : 157,171.68 = 38,221.68 : x - Step 2: Convert to fraction form
104,782.08/157,171.68 = 38,221.68/x - Step 3: Cross multiply
104,782.08x = 157,171.68 × 38,221.68 - Step 4: Simplify right side
104,782.08x = 6,007,365,658.02 - Step 5: Solve for x
x = 6,007,365,658.02/104,782.08 - Step 6: Final answer
x = 57,331.99
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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.