Finding the Fourth Proportional to 423,485.48, 584,414.17 and 229,894.70
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Solution
The fourth proportional to 423,485.48, 584,414.17 and 229,894.70 is: 317,256.96
Step by Step Solution
- Step 1: Write the proportion equation
423,485.48 : 584,414.17 = 229,894.70 : x - Step 2: Convert to fraction form
423,485.48/584,414.17 = 229,894.70/x - Step 3: Cross multiply
423,485.48x = 584,414.17 × 229,894.70 - Step 4: Simplify right side
423,485.48x = 134,353,716,791.09 - Step 5: Solve for x
x = 134,353,716,791.09/423,485.48 - Step 6: Final answer
x = 317,256.96
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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.