Finding the Fourth Proportional to 228,973.08, 343,490.88 and 79,173.12
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Solution
The fourth proportional to 228,973.08, 343,490.88 and 79,173.12 is: 118,770.49
Step by Step Solution
- Step 1: Write the proportion equation
228,973.08 : 343,490.88 = 79,173.12 : x - Step 2: Convert to fraction form
228,973.08/343,490.88 = 79,173.12/x - Step 3: Cross multiply
228,973.08x = 343,490.88 × 79,173.12 - Step 4: Simplify right side
228,973.08x = 27,195,244,661.15 - Step 5: Solve for x
x = 27,195,244,661.15/228,973.08 - Step 6: Final answer
x = 118,770.49
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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.