Finding the Fourth Proportional to 659,959.26, 910,743.78 and 358,153.26
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Solution
The fourth proportional to 659,959.26, 910,743.78 and 358,153.26 is: 494,251.50
Step by Step Solution
- Step 1: Write the proportion equation
659,959.26 : 910,743.78 = 358,153.26 : x - Step 2: Convert to fraction form
659,959.26/910,743.78 = 358,153.26/x - Step 3: Cross multiply
659,959.26x = 910,743.78 × 358,153.26 - Step 4: Simplify right side
659,959.26x = 326,185,853,831.72 - Step 5: Solve for x
x = 326,185,853,831.72/659,959.26 - Step 6: Final answer
x = 494,251.50
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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.