Finding the Fourth Proportional to 211,266.44, 316,939.62 and 84,916.52
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Solution
The fourth proportional to 211,266.44, 316,939.62 and 84,916.52 is: 127,390.84
Step by Step Solution
- Step 1: Write the proportion equation
211,266.44 : 316,939.62 = 84,916.52 : x - Step 2: Convert to fraction form
211,266.44/316,939.62 = 84,916.52/x - Step 3: Cross multiply
211,266.44x = 316,939.62 × 84,916.52 - Step 4: Simplify right side
211,266.44x = 26,913,409,580.52 - Step 5: Solve for x
x = 26,913,409,580.52/211,266.44 - Step 6: Final answer
x = 127,390.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.