Finding the Fourth Proportional to 424,591.53, 636,362.41 and 214,114.65
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Solution
The fourth proportional to 424,591.53, 636,362.41 and 214,114.65 is: 320,907.28
Step by Step Solution
- Step 1: Write the proportion equation
424,591.53 : 636,362.41 = 214,114.65 : x - Step 2: Convert to fraction form
424,591.53/636,362.41 = 214,114.65/x - Step 3: Cross multiply
424,591.53x = 636,362.41 × 214,114.65 - Step 4: Simplify right side
424,591.53x = 136,254,514,690.31 - Step 5: Solve for x
x = 136,254,514,690.31/424,591.53 - Step 6: Final answer
x = 320,907.28
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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.