Finding the Fourth Proportional to 228,920.88, 343,373.88 and 68,997.68
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Solution
The fourth proportional to 228,920.88, 343,373.88 and 68,997.68 is: 103,494.28
Step by Step Solution
- Step 1: Write the proportion equation
228,920.88 : 343,373.88 = 68,997.68 : x - Step 2: Convert to fraction form
228,920.88/343,373.88 = 68,997.68/x - Step 3: Cross multiply
228,920.88x = 343,373.88 × 68,997.68 - Step 4: Simplify right side
228,920.88x = 23,692,001,092.60 - Step 5: Solve for x
x = 23,692,001,092.60/228,920.88 - Step 6: Final answer
x = 103,494.28
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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.