Finding the Fourth Proportional to 427,825.23, 590,213.48 and 257,964.99
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Solution
The fourth proportional to 427,825.23, 590,213.48 and 257,964.99 is: 355,879.93
Step by Step Solution
- Step 1: Write the proportion equation
427,825.23 : 590,213.48 = 257,964.99 : x - Step 2: Convert to fraction form
427,825.23/590,213.48 = 257,964.99/x - Step 3: Cross multiply
427,825.23x = 590,213.48 × 257,964.99 - Step 4: Simplify right side
427,825.23x = 152,254,414,466.07 - Step 5: Solve for x
x = 152,254,414,466.07/427,825.23 - Step 6: Final answer
x = 355,879.93
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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.