Finding the Fourth Proportional to 157,927.04, 218,034.24 and 98,391.68
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Solution
The fourth proportional to 157,927.04, 218,034.24 and 98,391.68 is: 135,839.66
Step by Step Solution
- Step 1: Write the proportion equation
157,927.04 : 218,034.24 = 98,391.68 : x - Step 2: Convert to fraction form
157,927.04/218,034.24 = 98,391.68/x - Step 3: Cross multiply
157,927.04x = 218,034.24 × 98,391.68 - Step 4: Simplify right side
157,927.04x = 21,452,755,171.12 - Step 5: Solve for x
x = 21,452,755,171.12/157,927.04 - Step 6: Final answer
x = 135,839.66
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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.