Finding the Fourth Proportional to 338,838.84, 508,302.36 and 102,205.44
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Solution
The fourth proportional to 338,838.84, 508,302.36 and 102,205.44 is: 153,321.46
Step by Step Solution
- Step 1: Write the proportion equation
338,838.84 : 508,302.36 = 102,205.44 : x - Step 2: Convert to fraction form
338,838.84/508,302.36 = 102,205.44/x - Step 3: Cross multiply
338,838.84x = 508,302.36 × 102,205.44 - Step 4: Simplify right side
338,838.84x = 51,951,266,356.84 - Step 5: Solve for x
x = 51,951,266,356.84/338,838.84 - Step 6: Final answer
x = 153,321.46
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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.