Finding the Fourth Proportional to 328,773.16, 453,681.12 and 201,431.44
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Solution
The fourth proportional to 328,773.16, 453,681.12 and 201,431.44 is: 277,959.56
Step by Step Solution
- Step 1: Write the proportion equation
328,773.16 : 453,681.12 = 201,431.44 : x - Step 2: Convert to fraction form
328,773.16/453,681.12 = 201,431.44/x - Step 3: Cross multiply
328,773.16x = 453,681.12 × 201,431.44 - Step 4: Simplify right side
328,773.16x = 91,385,641,302.41 - Step 5: Solve for x
x = 91,385,641,302.41/328,773.16 - Step 6: Final answer
x = 277,959.56
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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.