Finding the Fourth Proportional to 267,315.42, 401,009.99 and 89,836.19
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Solution
The fourth proportional to 267,315.42, 401,009.99 and 89,836.19 is: 134,766.66
Step by Step Solution
- Step 1: Write the proportion equation
267,315.42 : 401,009.99 = 89,836.19 : x - Step 2: Convert to fraction form
267,315.42/401,009.99 = 89,836.19/x - Step 3: Cross multiply
267,315.42x = 401,009.99 × 89,836.19 - Step 4: Simplify right side
267,315.42x = 36,025,207,199.31 - Step 5: Solve for x
x = 36,025,207,199.31/267,315.42 - Step 6: Final answer
x = 134,766.66
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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.