Finding the Fourth Proportional to 338,201.68, 465,656.08 and 287,108.50
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Solution
The fourth proportional to 338,201.68, 465,656.08 and 287,108.50 is: 395,307.97
Step by Step Solution
- Step 1: Write the proportion equation
338,201.68 : 465,656.08 = 287,108.50 : x - Step 2: Convert to fraction form
338,201.68/465,656.08 = 287,108.50/x - Step 3: Cross multiply
338,201.68x = 465,656.08 × 287,108.50 - Step 4: Simplify right side
338,201.68x = 133,693,818,644.68 - Step 5: Solve for x
x = 133,693,818,644.68/338,201.68 - Step 6: Final answer
x = 395,307.97
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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.