Finding the Fourth Proportional to 230,465.15, 345,854.00 and 80,706.68
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Solution
The fourth proportional to 230,465.15, 345,854.00 and 80,706.68 is: 121,114.75
Step by Step Solution
- Step 1: Write the proportion equation
230,465.15 : 345,854.00 = 80,706.68 : x - Step 2: Convert to fraction form
230,465.15/345,854.00 = 80,706.68/x - Step 3: Cross multiply
230,465.15x = 345,854.00 × 80,706.68 - Step 4: Simplify right side
230,465.15x = 27,912,727,874.17 - Step 5: Solve for x
x = 27,912,727,874.17/230,465.15 - Step 6: Final answer
x = 121,114.75
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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.