Finding the Fourth Proportional to 328,804.08, 453,700.97 and 199,675.40
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Solution
The fourth proportional to 328,804.08, 453,700.97 and 199,675.40 is: 275,522.49
Step by Step Solution
- Step 1: Write the proportion equation
328,804.08 : 453,700.97 = 199,675.40 : x - Step 2: Convert to fraction form
328,804.08/453,700.97 = 199,675.40/x - Step 3: Cross multiply
328,804.08x = 453,700.97 × 199,675.40 - Step 4: Simplify right side
328,804.08x = 90,592,919,398.26 - Step 5: Solve for x
x = 90,592,919,398.26/328,804.08 - Step 6: Final answer
x = 275,522.49
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1.5x scale
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.