Finding the Fourth Proportional to 865,163.40, 1,297,842.30 and 266,119.80
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Solution
The fourth proportional to 865,163.40, 1,297,842.30 and 266,119.80 is: 399,209.60
Step by Step Solution
- Step 1: Write the proportion equation
865,163.40 : 1,297,842.30 = 266,119.80 : x - Step 2: Convert to fraction form
865,163.40/1,297,842.30 = 266,119.80/x - Step 3: Cross multiply
865,163.40x = 1,297,842.30 × 266,119.80 - Step 4: Simplify right side
865,163.40x = 345,381,533,307.54 - Step 5: Solve for x
x = 345,381,533,307.54/865,163.40 - Step 6: Final answer
x = 399,209.60
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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.