Finding the Fourth Proportional to 855,582.24, 1,283,369.87 and 215,887.48
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Solution
The fourth proportional to 855,582.24, 1,283,369.87 and 215,887.48 is: 323,830.33
Step by Step Solution
- Step 1: Write the proportion equation
855,582.24 : 1,283,369.87 = 215,887.48 : x - Step 2: Convert to fraction form
855,582.24/1,283,369.87 = 215,887.48/x - Step 3: Cross multiply
855,582.24x = 1,283,369.87 × 215,887.48 - Step 4: Simplify right side
855,582.24x = 277,063,484,473.52 - Step 5: Solve for x
x = 277,063,484,473.52/855,582.24 - Step 6: Final answer
x = 323,830.33
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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.