Finding the Fourth Proportional to 455,136.80, 627,827.64 and 264,125.84
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Solution
The fourth proportional to 455,136.80, 627,827.64 and 264,125.84 is: 364,342.11
Step by Step Solution
- Step 1: Write the proportion equation
455,136.80 : 627,827.64 = 264,125.84 : x - Step 2: Convert to fraction form
455,136.80/627,827.64 = 264,125.84/x - Step 3: Cross multiply
455,136.80x = 627,827.64 × 264,125.84 - Step 4: Simplify right side
455,136.80x = 165,825,502,790.22 - Step 5: Solve for x
x = 165,825,502,790.22/455,136.80 - Step 6: Final answer
x = 364,342.11
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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.