Finding the Fourth Proportional to 415,934.63, 573,990.18 and 224,948.02
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Solution
The fourth proportional to 415,934.63, 573,990.18 and 224,948.02 is: 310,428.47
Step by Step Solution
- Step 1: Write the proportion equation
415,934.63 : 573,990.18 = 224,948.02 : x - Step 2: Convert to fraction form
415,934.63/573,990.18 = 224,948.02/x - Step 3: Cross multiply
415,934.63x = 573,990.18 × 224,948.02 - Step 4: Simplify right side
415,934.63x = 129,117,951,620.49 - Step 5: Solve for x
x = 129,117,951,620.49/415,934.63 - Step 6: Final answer
x = 310,428.47
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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.