Finding the Fourth Proportional to 340,953.22, 470,717.03 and 303,122.75
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Solution
The fourth proportional to 340,953.22, 470,717.03 and 303,122.75 is: 418,488.62
Step by Step Solution
- Step 1: Write the proportion equation
340,953.22 : 470,717.03 = 303,122.75 : x - Step 2: Convert to fraction form
340,953.22/470,717.03 = 303,122.75/x - Step 3: Cross multiply
340,953.22x = 470,717.03 × 303,122.75 - Step 4: Simplify right side
340,953.22x = 142,685,039,089.82 - Step 5: Solve for x
x = 142,685,039,089.82/340,953.22 - Step 6: Final answer
x = 418,488.62
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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.