Finding the Fourth Proportional to 424,391.15, 585,663.71 and 230,800.70
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Solution
The fourth proportional to 424,391.15, 585,663.71 and 230,800.70 is: 318,507.09
Step by Step Solution
- Step 1: Write the proportion equation
424,391.15 : 585,663.71 = 230,800.70 : x - Step 2: Convert to fraction form
424,391.15/585,663.71 = 230,800.70/x - Step 3: Cross multiply
424,391.15x = 585,663.71 × 230,800.70 - Step 4: Simplify right side
424,391.15x = 135,171,590,150.28 - Step 5: Solve for x
x = 135,171,590,150.28/424,391.15 - Step 6: Final answer
x = 318,507.09
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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.