Finding the Fourth Proportional to 250,358.96, 345,409.08 and 142,851.44
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Solution
The fourth proportional to 250,358.96, 345,409.08 and 142,851.44 is: 197,085.75
Step by Step Solution
- Step 1: Write the proportion equation
250,358.96 : 345,409.08 = 142,851.44 : x - Step 2: Convert to fraction form
250,358.96/345,409.08 = 142,851.44/x - Step 3: Cross multiply
250,358.96x = 345,409.08 × 142,851.44 - Step 4: Simplify right side
250,358.96x = 49,342,184,467.08 - Step 5: Solve for x
x = 49,342,184,467.08/250,358.96 - Step 6: Final answer
x = 197,085.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.