Finding the Fourth Proportional to 314,390.25, 433,891.35 and 178,460.91
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Solution
The fourth proportional to 314,390.25, 433,891.35 and 178,460.91 is: 246,294.68
Step by Step Solution
- Step 1: Write the proportion equation
314,390.25 : 433,891.35 = 178,460.91 : x - Step 2: Convert to fraction form
314,390.25/433,891.35 = 178,460.91/x - Step 3: Cross multiply
314,390.25x = 433,891.35 × 178,460.91 - Step 4: Simplify right side
314,390.25x = 77,432,645,162.13 - Step 5: Solve for x
x = 77,432,645,162.13/314,390.25 - Step 6: Final answer
x = 246,294.68
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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.