Finding the Fourth Proportional to 231,266.96, 319,246.79 and 140,652.01
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Solution
The fourth proportional to 231,266.96, 319,246.79 and 140,652.01 is: 194,159.61
Step by Step Solution
- Step 1: Write the proportion equation
231,266.96 : 319,246.79 = 140,652.01 : x - Step 2: Convert to fraction form
231,266.96/319,246.79 = 140,652.01/x - Step 3: Cross multiply
231,266.96x = 319,246.79 × 140,652.01 - Step 4: Simplify right side
231,266.96x = 44,902,701,103.31 - Step 5: Solve for x
x = 44,902,701,103.31/231,266.96 - Step 6: Final answer
x = 194,159.61
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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.