Finding the Fourth Proportional to 397,349.58, 548,117.99 and 236,256.58
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Solution
The fourth proportional to 397,349.58, 548,117.99 and 236,256.58 is: 325,900.64
Step by Step Solution
- Step 1: Write the proportion equation
397,349.58 : 548,117.99 = 236,256.58 : x - Step 2: Convert to fraction form
397,349.58/548,117.99 = 236,256.58/x - Step 3: Cross multiply
397,349.58x = 548,117.99 × 236,256.58 - Step 4: Simplify right side
397,349.58x = 129,496,482,143.70 - Step 5: Solve for x
x = 129,496,482,143.70/397,349.58 - Step 6: Final answer
x = 325,900.64
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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.