Finding the Fourth Proportional to 286,490.26, 429,468.27 and 96,817.98
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Solution
The fourth proportional to 286,490.26, 429,468.27 and 96,817.98 is: 145,136.70
Step by Step Solution
- Step 1: Write the proportion equation
286,490.26 : 429,468.27 = 96,817.98 : x - Step 2: Convert to fraction form
286,490.26/429,468.27 = 96,817.98/x - Step 3: Cross multiply
286,490.26x = 429,468.27 × 96,817.98 - Step 4: Simplify right side
286,490.26x = 41,580,249,891.40 - Step 5: Solve for x
x = 41,580,249,891.40/286,490.26 - Step 6: Final answer
x = 145,136.70
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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.