Finding the Fourth Proportional to 609,136.12, 913,891.20 and 272,459.98
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Solution
The fourth proportional to 609,136.12, 913,891.20 and 272,459.98 is: 408,773.62
Step by Step Solution
- Step 1: Write the proportion equation
609,136.12 : 913,891.20 = 272,459.98 : x - Step 2: Convert to fraction form
609,136.12/913,891.20 = 272,459.98/x - Step 3: Cross multiply
609,136.12x = 913,891.20 × 272,459.98 - Step 4: Simplify right side
609,136.12x = 248,998,778,074.18 - Step 5: Solve for x
x = 248,998,778,074.18/609,136.12 - Step 6: Final answer
x = 408,773.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.