Finding the Fourth Proportional to 303,424.84, 418,712.09 and 174,272.47
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Solution
The fourth proportional to 303,424.84, 418,712.09 and 174,272.47 is: 240,487.85
Step by Step Solution
- Step 1: Write the proportion equation
303,424.84 : 418,712.09 = 174,272.47 : x - Step 2: Convert to fraction form
303,424.84/418,712.09 = 174,272.47/x - Step 3: Cross multiply
303,424.84x = 418,712.09 × 174,272.47 - Step 4: Simplify right side
303,424.84x = 72,969,987,178.24 - Step 5: Solve for x
x = 72,969,987,178.24/303,424.84 - Step 6: Final answer
x = 240,487.85
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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.