Finding the Fourth Proportional to 667,582.23, 921,259.68 and 361,664.58
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Solution
The fourth proportional to 667,582.23, 921,259.68 and 361,664.58 is: 499,095.06
Step by Step Solution
- Step 1: Write the proportion equation
667,582.23 : 921,259.68 = 361,664.58 : x - Step 2: Convert to fraction form
667,582.23/921,259.68 = 361,664.58/x - Step 3: Cross multiply
667,582.23x = 921,259.68 × 361,664.58 - Step 4: Simplify right side
667,582.23x = 333,186,995,238.13 - Step 5: Solve for x
x = 333,186,995,238.13/667,582.23 - Step 6: Final answer
x = 499,095.06
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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.