Finding the Fourth Proportional to 417,657.87, 576,368.26 and 226,671.31
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Solution
The fourth proportional to 417,657.87, 576,368.26 and 226,671.31 is: 312,806.62
Step by Step Solution
- Step 1: Write the proportion equation
417,657.87 : 576,368.26 = 226,671.31 : x - Step 2: Convert to fraction form
417,657.87/576,368.26 = 226,671.31/x - Step 3: Cross multiply
417,657.87x = 576,368.26 × 226,671.31 - Step 4: Simplify right side
417,657.87x = 130,646,148,690.40 - Step 5: Solve for x
x = 130,646,148,690.40/417,657.87 - Step 6: Final answer
x = 312,806.62
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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.