Finding the Fourth Proportional to 478,147.32, 659,817.18 and 263,246.58
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Solution
The fourth proportional to 478,147.32, 659,817.18 and 263,246.58 is: 363,265.90
Step by Step Solution
- Step 1: Write the proportion equation
478,147.32 : 659,817.18 = 263,246.58 : x - Step 2: Convert to fraction form
478,147.32/659,817.18 = 263,246.58/x - Step 3: Cross multiply
478,147.32x = 659,817.18 × 263,246.58 - Step 4: Simplify right side
478,147.32x = 173,694,616,060.24 - Step 5: Solve for x
x = 173,694,616,060.24/478,147.32 - Step 6: Final answer
x = 363,265.90
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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.