Finding the Fourth Proportional to 376,497.12, 519,612.84 and 215,329.80
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Solution
The fourth proportional to 376,497.12, 519,612.84 and 215,329.80 is: 297,181.90
Step by Step Solution
- Step 1: Write the proportion equation
376,497.12 : 519,612.84 = 215,329.80 : x - Step 2: Convert to fraction form
376,497.12/519,612.84 = 215,329.80/x - Step 3: Cross multiply
376,497.12x = 519,612.84 × 215,329.80 - Step 4: Simplify right side
376,497.12x = 111,888,128,914.63 - Step 5: Solve for x
x = 111,888,128,914.63/376,497.12 - Step 6: Final answer
x = 297,181.90
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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.