Finding the Fourth Proportional to 225,734.93, 311,545.90 and 139,721.36
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Solution
The fourth proportional to 225,734.93, 311,545.90 and 139,721.36 is: 192,835.09
Step by Step Solution
- Step 1: Write the proportion equation
225,734.93 : 311,545.90 = 139,721.36 : x - Step 2: Convert to fraction form
225,734.93/311,545.90 = 139,721.36/x - Step 3: Cross multiply
225,734.93x = 311,545.90 × 139,721.36 - Step 4: Simplify right side
225,734.93x = 43,529,614,681.41 - Step 5: Solve for x
x = 43,529,614,681.41/225,734.93 - Step 6: Final answer
x = 192,835.09
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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.