Finding the Fourth Proportional to 230,062.21, 317,403.67 and 133,213.20
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Solution
The fourth proportional to 230,062.21, 317,403.67 and 133,213.20 is: 183,786.63
Step by Step Solution
- Step 1: Write the proportion equation
230,062.21 : 317,403.67 = 133,213.20 : x - Step 2: Convert to fraction form
230,062.21/317,403.67 = 133,213.20/x - Step 3: Cross multiply
230,062.21x = 317,403.67 × 133,213.20 - Step 4: Simplify right side
230,062.21x = 42,282,358,572.44 - Step 5: Solve for x
x = 42,282,358,572.44/230,062.21 - Step 6: Final answer
x = 183,786.63
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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.