Finding the Fourth Proportional to 455,232.70, 636,144.80 and 455,232.70
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Solution
The fourth proportional to 455,232.70, 636,144.80 and 455,232.70 is: 636,144.80
Step by Step Solution
- Step 1: Write the proportion equation
455,232.70 : 636,144.80 = 455,232.70 : x - Step 2: Convert to fraction form
455,232.70/636,144.80 = 455,232.70/x - Step 3: Cross multiply
455,232.70x = 636,144.80 × 455,232.70 - Step 4: Simplify right side
455,232.70x = 289,593,914,894.96 - Step 5: Solve for x
x = 289,593,914,894.96/455,232.70 - Step 6: Final answer
x = 636,144.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.