Finding the Fourth Proportional to 426,470.92, 639,927.78 and 173,936.68
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Solution
The fourth proportional to 426,470.92, 639,927.78 and 173,936.68 is: 260,995.32
Step by Step Solution
- Step 1: Write the proportion equation
426,470.92 : 639,927.78 = 173,936.68 : x - Step 2: Convert to fraction form
426,470.92/639,927.78 = 173,936.68/x - Step 3: Cross multiply
426,470.92x = 639,927.78 × 173,936.68 - Step 4: Simplify right side
426,470.92x = 111,306,913,492.97 - Step 5: Solve for x
x = 111,306,913,492.97/426,470.92 - Step 6: Final answer
x = 260,995.32
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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.