Finding the Fourth Proportional to 104,986.81, 157,458.07 and 38,458.09
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Solution
The fourth proportional to 104,986.81, 157,458.07 and 38,458.09 is: 57,679.02
Step by Step Solution
- Step 1: Write the proportion equation
104,986.81 : 157,458.07 = 38,458.09 : x - Step 2: Convert to fraction form
104,986.81/157,458.07 = 38,458.09/x - Step 3: Cross multiply
104,986.81x = 157,458.07 × 38,458.09 - Step 4: Simplify right side
104,986.81x = 6,055,536,627.29 - Step 5: Solve for x
x = 6,055,536,627.29/104,986.81 - Step 6: Final answer
x = 57,679.02
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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.