Finding the Fourth Proportional to 230,221.62, 317,706.39 and 133,444.17
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Solution
The fourth proportional to 230,221.62, 317,706.39 and 133,444.17 is: 184,153.28
Step by Step Solution
- Step 1: Write the proportion equation
230,221.62 : 317,706.39 = 133,444.17 : x - Step 2: Convert to fraction form
230,221.62/317,706.39 = 133,444.17/x - Step 3: Cross multiply
230,221.62x = 317,706.39 × 133,444.17 - Step 4: Simplify right side
230,221.62x = 42,396,065,517.25 - Step 5: Solve for x
x = 42,396,065,517.25/230,221.62 - Step 6: Final answer
x = 184,153.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.