Finding the Fourth Proportional to 382,246.23, 570,144.36 and 331,930.65
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Solution
The fourth proportional to 382,246.23, 570,144.36 and 331,930.65 is: 495,095.50
Step by Step Solution
- Step 1: Write the proportion equation
382,246.23 : 570,144.36 = 331,930.65 : x - Step 2: Convert to fraction form
382,246.23/570,144.36 = 331,930.65/x - Step 3: Cross multiply
382,246.23x = 570,144.36 × 331,930.65 - Step 4: Simplify right side
382,246.23x = 189,248,388,008.63 - Step 5: Solve for x
x = 189,248,388,008.63/382,246.23 - Step 6: Final answer
x = 495,095.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.