Finding the Fourth Proportional to 328,774.66, 453,683.19 and 201,432.94
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Solution
The fourth proportional to 328,774.66, 453,683.19 and 201,432.94 is: 277,961.63
Step by Step Solution
- Step 1: Write the proportion equation
328,774.66 : 453,683.19 = 201,432.94 : x - Step 2: Convert to fraction form
328,774.66/453,683.19 = 201,432.94/x - Step 3: Cross multiply
328,774.66x = 453,683.19 × 201,432.94 - Step 4: Simplify right side
328,774.66x = 91,386,738,790.28 - Step 5: Solve for x
x = 91,386,738,790.28/328,774.66 - Step 6: Final answer
x = 277,961.63
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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.