Finding the Fourth Proportional to 331,281.42, 495,940.40 and 204,514.05
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Solution
The fourth proportional to 331,281.42, 495,940.40 and 204,514.05 is: 306,165.01
Step by Step Solution
- Step 1: Write the proportion equation
331,281.42 : 495,940.40 = 204,514.05 : x - Step 2: Convert to fraction form
331,281.42/495,940.40 = 204,514.05/x - Step 3: Cross multiply
331,281.42x = 495,940.40 × 204,514.05 - Step 4: Simplify right side
331,281.42x = 101,426,779,762.62 - Step 5: Solve for x
x = 101,426,779,762.62/331,281.42 - Step 6: Final answer
x = 306,165.01
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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.