Finding the Fourth Proportional to 178,790.42, 267,742.74 and 122,435.52
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Solution
The fourth proportional to 178,790.42, 267,742.74 and 122,435.52 is: 183,349.99
Step by Step Solution
- Step 1: Write the proportion equation
178,790.42 : 267,742.74 = 122,435.52 : x - Step 2: Convert to fraction form
178,790.42/267,742.74 = 122,435.52/x - Step 3: Cross multiply
178,790.42x = 267,742.74 × 122,435.52 - Step 4: Simplify right side
178,790.42x = 32,781,221,598.12 - Step 5: Solve for x
x = 32,781,221,598.12/178,790.42 - Step 6: Final answer
x = 183,349.99
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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.