Finding the Fourth Proportional to 659,668.88, 910,266.18 and 369,296.30
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Solution
The fourth proportional to 659,668.88, 910,266.18 and 369,296.30 is: 509,585.86
Step by Step Solution
- Step 1: Write the proportion equation
659,668.88 : 910,266.18 = 369,296.30 : x - Step 2: Convert to fraction form
659,668.88/910,266.18 = 369,296.30/x - Step 3: Cross multiply
659,668.88x = 910,266.18 × 369,296.30 - Step 4: Simplify right side
659,668.88x = 336,157,932,289.13 - Step 5: Solve for x
x = 336,157,932,289.13/659,668.88 - Step 6: Final answer
x = 509,585.86
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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.