Finding the Fourth Proportional to 387,329.00, 534,479.92 and 215,236.01
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Solution
The fourth proportional to 387,329.00, 534,479.92 and 215,236.01 is: 297,006.75
Step by Step Solution
- Step 1: Write the proportion equation
387,329.00 : 534,479.92 = 215,236.01 : x - Step 2: Convert to fraction form
387,329.00/534,479.92 = 215,236.01/x - Step 3: Cross multiply
387,329.00x = 534,479.92 × 215,236.01 - Step 4: Simplify right side
387,329.00x = 115,039,326,204.03 - Step 5: Solve for x
x = 115,039,326,204.03/387,329.00 - Step 6: Final answer
x = 297,006.75
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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.