Finding the Fourth Proportional to 157,368.60, 235,476.90 and 115,896.60
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Solution
The fourth proportional to 157,368.60, 235,476.90 and 115,896.60 is: 173,420.70
Step by Step Solution
- Step 1: Write the proportion equation
157,368.60 : 235,476.90 = 115,896.60 : x - Step 2: Convert to fraction form
157,368.60/235,476.90 = 115,896.60/x - Step 3: Cross multiply
157,368.60x = 235,476.90 × 115,896.60 - Step 4: Simplify right side
157,368.60x = 27,290,972,088.54 - Step 5: Solve for x
x = 27,290,972,088.54/157,368.60 - Step 6: Final answer
x = 173,420.70
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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.