Finding the Fourth Proportional to 338,818.93, 508,064.91 and 196,699.99
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Solution
The fourth proportional to 338,818.93, 508,064.91 and 196,699.99 is: 294,955.07
Step by Step Solution
- Step 1: Write the proportion equation
338,818.93 : 508,064.91 = 196,699.99 : x - Step 2: Convert to fraction form
338,818.93/508,064.91 = 196,699.99/x - Step 3: Cross multiply
338,818.93x = 508,064.91 × 196,699.99 - Step 4: Simplify right side
338,818.93x = 99,936,361,891.91 - Step 5: Solve for x
x = 99,936,361,891.91/338,818.93 - Step 6: Final answer
x = 294,955.07
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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.