Finding the Fourth Proportional to 268,873.84, 403,559.99 and 135,847.59
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Solution
The fourth proportional to 268,873.84, 403,559.99 and 135,847.59 is: 203,897.31
Step by Step Solution
- Step 1: Write the proportion equation
268,873.84 : 403,559.99 = 135,847.59 : x - Step 2: Convert to fraction form
268,873.84/403,559.99 = 135,847.59/x - Step 3: Cross multiply
268,873.84x = 403,559.99 × 135,847.59 - Step 4: Simplify right side
268,873.84x = 54,822,651,382.69 - Step 5: Solve for x
x = 54,822,651,382.69/268,873.84 - Step 6: Final answer
x = 203,897.31
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1.5x scale
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.