Finding the Fourth Proportional to 158,750.07, 237,805.21 and 105,472.05
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Solution
The fourth proportional to 158,750.07, 237,805.21 and 105,472.05 is: 157,995.54
Step by Step Solution
- Step 1: Write the proportion equation
158,750.07 : 237,805.21 = 105,472.05 : x - Step 2: Convert to fraction form
158,750.07/237,805.21 = 105,472.05/x - Step 3: Cross multiply
158,750.07x = 237,805.21 × 105,472.05 - Step 4: Simplify right side
158,750.07x = 25,081,802,999.38 - Step 5: Solve for x
x = 25,081,802,999.38/158,750.07 - Step 6: Final answer
x = 157,995.54
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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.