Finding the Fourth Proportional to 268,853.98, 403,047.68 and 135,623.02
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Solution
The fourth proportional to 268,853.98, 403,047.68 and 135,623.02 is: 203,316.85
Step by Step Solution
- Step 1: Write the proportion equation
268,853.98 : 403,047.68 = 135,623.02 : x - Step 2: Convert to fraction form
268,853.98/403,047.68 = 135,623.02/x - Step 3: Cross multiply
268,853.98x = 403,047.68 × 135,623.02 - Step 4: Simplify right side
268,853.98x = 54,662,543,565.59 - Step 5: Solve for x
x = 54,662,543,565.59/268,853.98 - Step 6: Final answer
x = 203,316.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.