Finding the Fourth Proportional to 169,996.93, 234,603.69 and 98,363.09
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Solution
The fourth proportional to 169,996.93, 234,603.69 and 98,363.09 is: 135,745.66
Step by Step Solution
- Step 1: Write the proportion equation
169,996.93 : 234,603.69 = 98,363.09 : x - Step 2: Convert to fraction form
169,996.93/234,603.69 = 98,363.09/x - Step 3: Cross multiply
169,996.93x = 234,603.69 × 98,363.09 - Step 4: Simplify right side
169,996.93x = 23,076,344,644.74 - Step 5: Solve for x
x = 23,076,344,644.74/169,996.93 - Step 6: Final answer
x = 135,745.66
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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.