Finding the Fourth Proportional to 410,782.63, 616,251.70 and 189,166.63
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Solution
The fourth proportional to 410,782.63, 616,251.70 and 189,166.63 is: 283,785.75
Step by Step Solution
- Step 1: Write the proportion equation
410,782.63 : 616,251.70 = 189,166.63 : x - Step 2: Convert to fraction form
410,782.63/616,251.70 = 189,166.63/x - Step 3: Cross multiply
410,782.63x = 616,251.70 × 189,166.63 - Step 4: Simplify right side
410,782.63x = 116,574,254,239.51 - Step 5: Solve for x
x = 116,574,254,239.51/410,782.63 - Step 6: Final answer
x = 283,785.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.