Finding the Fourth Proportional to 169,119.09, 233,541.23 and 126,603.81
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Solution
The fourth proportional to 169,119.09, 233,541.23 and 126,603.81 is: 174,830.70
Step by Step Solution
- Step 1: Write the proportion equation
169,119.09 : 233,541.23 = 126,603.81 : x - Step 2: Convert to fraction form
169,119.09/233,541.23 = 126,603.81/x - Step 3: Cross multiply
169,119.09x = 233,541.23 × 126,603.81 - Step 4: Simplify right side
169,119.09x = 29,567,208,877.07 - Step 5: Solve for x
x = 29,567,208,877.07/169,119.09 - Step 6: Final answer
x = 174,830.70
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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.