Finding the Fourth Proportional to 212,531.25, 293,288.67 and 117,038.73
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Solution
The fourth proportional to 212,531.25, 293,288.67 and 117,038.73 is: 161,510.99
Step by Step Solution
- Step 1: Write the proportion equation
212,531.25 : 293,288.67 = 117,038.73 : x - Step 2: Convert to fraction form
212,531.25/293,288.67 = 117,038.73/x - Step 3: Cross multiply
212,531.25x = 293,288.67 × 117,038.73 - Step 4: Simplify right side
212,531.25x = 34,326,133,460.19 - Step 5: Solve for x
x = 34,326,133,460.19/212,531.25 - Step 6: Final answer
x = 161,510.99
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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.