Finding the Fourth Proportional to 293,657.06, 405,442.19 and 225,552.53
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Solution
The fourth proportional to 293,657.06, 405,442.19 and 225,552.53 is: 311,412.61
Step by Step Solution
- Step 1: Write the proportion equation
293,657.06 : 405,442.19 = 225,552.53 : x - Step 2: Convert to fraction form
293,657.06/405,442.19 = 225,552.53/x - Step 3: Cross multiply
293,657.06x = 405,442.19 × 225,552.53 - Step 4: Simplify right side
293,657.06x = 91,448,513,300.73 - Step 5: Solve for x
x = 91,448,513,300.73/293,657.06 - Step 6: Final answer
x = 311,412.61
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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.