Finding the Fourth Proportional to 228,083.80, 342,125.70 and 134,771.80
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Solution
The fourth proportional to 228,083.80, 342,125.70 and 134,771.80 is: 202,157.70
Step by Step Solution
- Step 1: Write the proportion equation
228,083.80 : 342,125.70 = 134,771.80 : x - Step 2: Convert to fraction form
228,083.80/342,125.70 = 134,771.80/x - Step 3: Cross multiply
228,083.80x = 342,125.70 × 134,771.80 - Step 4: Simplify right side
228,083.80x = 46,108,896,415.26 - Step 5: Solve for x
x = 46,108,896,415.26/228,083.80 - Step 6: Final answer
x = 202,157.70
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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.