Finding the Fourth Proportional to 230,241.13, 315,431.51 and 221,612.05
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Solution
The fourth proportional to 230,241.13, 315,431.51 and 221,612.05 is: 303,609.63
Step by Step Solution
- Step 1: Write the proportion equation
230,241.13 : 315,431.51 = 221,612.05 : x - Step 2: Convert to fraction form
230,241.13/315,431.51 = 221,612.05/x - Step 3: Cross multiply
230,241.13x = 315,431.51 × 221,612.05 - Step 4: Simplify right side
230,241.13x = 69,903,423,565.70 - Step 5: Solve for x
x = 69,903,423,565.70/230,241.13 - Step 6: Final answer
x = 303,609.63
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.