Finding the Fourth Proportional to 415,934.76, 573,990.35 and 224,948.15
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Solution
The fourth proportional to 415,934.76, 573,990.35 and 224,948.15 is: 310,428.65
Step by Step Solution
- Step 1: Write the proportion equation
415,934.76 : 573,990.35 = 224,948.15 : x - Step 2: Convert to fraction form
415,934.76/573,990.35 = 224,948.15/x - Step 3: Cross multiply
415,934.76x = 573,990.35 × 224,948.15 - Step 4: Simplify right side
415,934.76x = 129,118,067,350.35 - Step 5: Solve for x
x = 129,118,067,350.35/415,934.76 - Step 6: Final answer
x = 310,428.65
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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.