Finding the Fourth Proportional to 208,929.04, 313,327.08 and 68,655.28
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Solution
The fourth proportional to 208,929.04, 313,327.08 and 68,655.28 is: 102,961.07
Step by Step Solution
- Step 1: Write the proportion equation
208,929.04 : 313,327.08 = 68,655.28 : x - Step 2: Convert to fraction form
208,929.04/313,327.08 = 68,655.28/x - Step 3: Cross multiply
208,929.04x = 313,327.08 × 68,655.28 - Step 4: Simplify right side
208,929.04x = 21,511,558,408.98 - Step 5: Solve for x
x = 21,511,558,408.98/208,929.04 - Step 6: Final answer
x = 102,961.07
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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.