Finding the Fourth Proportional to 231,466.10, 319,294.61 and 134,659.08
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Solution
The fourth proportional to 231,466.10, 319,294.61 and 134,659.08 is: 185,754.71
Step by Step Solution
- Step 1: Write the proportion equation
231,466.10 : 319,294.61 = 134,659.08 : x - Step 2: Convert to fraction form
231,466.10/319,294.61 = 134,659.08/x - Step 3: Cross multiply
231,466.10x = 319,294.61 × 134,659.08 - Step 4: Simplify right side
231,466.10x = 42,995,918,431.56 - Step 5: Solve for x
x = 42,995,918,431.56/231,466.10 - Step 6: Final answer
x = 185,754.71
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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.