Finding the Fourth Proportional to 204,897.10, 307,135.14 and 78,503.08
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Solution
The fourth proportional to 204,897.10, 307,135.14 and 78,503.08 is: 117,673.97
Step by Step Solution
- Step 1: Write the proportion equation
204,897.10 : 307,135.14 = 78,503.08 : x - Step 2: Convert to fraction form
204,897.10/307,135.14 = 78,503.08/x - Step 3: Cross multiply
204,897.10x = 307,135.14 × 78,503.08 - Step 4: Simplify right side
204,897.10x = 24,111,054,466.23 - Step 5: Solve for x
x = 24,111,054,466.23/204,897.10 - Step 6: Final answer
x = 117,673.97
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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.