Finding the Fourth Proportional to 158,395.09, 237,628.09 and 53,211.19
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Solution
The fourth proportional to 158,395.09, 237,628.09 and 53,211.19 is: 79,828.69
Step by Step Solution
- Step 1: Write the proportion equation
158,395.09 : 237,628.09 = 53,211.19 : x - Step 2: Convert to fraction form
158,395.09/237,628.09 = 53,211.19/x - Step 3: Cross multiply
158,395.09x = 237,628.09 × 53,211.19 - Step 4: Simplify right side
158,395.09x = 12,644,471,992.13 - Step 5: Solve for x
x = 12,644,471,992.13/158,395.09 - Step 6: Final answer
x = 79,828.69
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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.