Finding the Fourth Proportional to 639,560.64, 959,173.80 and 190,160.48
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Solution
The fourth proportional to 639,560.64, 959,173.80 and 190,160.48 is: 285,191.02
Step by Step Solution
- Step 1: Write the proportion equation
639,560.64 : 959,173.80 = 190,160.48 : x - Step 2: Convert to fraction form
639,560.64/959,173.80 = 190,160.48/x - Step 3: Cross multiply
639,560.64x = 959,173.80 × 190,160.48 - Step 4: Simplify right side
639,560.64x = 182,396,950,211.42 - Step 5: Solve for x
x = 182,396,950,211.42/639,560.64 - Step 6: Final answer
x = 285,191.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.