Finding the Fourth Proportional to 406,838.48, 609,913.11 and 248,734.79
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Solution
The fourth proportional to 406,838.48, 609,913.11 and 248,734.79 is: 372,891.49
Step by Step Solution
- Step 1: Write the proportion equation
406,838.48 : 609,913.11 = 248,734.79 : x - Step 2: Convert to fraction form
406,838.48/609,913.11 = 248,734.79/x - Step 3: Cross multiply
406,838.48x = 609,913.11 × 248,734.79 - Step 4: Simplify right side
406,838.48x = 151,706,606,284.53 - Step 5: Solve for x
x = 151,706,606,284.53/406,838.48 - Step 6: Final answer
x = 372,891.49
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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.