Finding the Fourth Proportional to 426,336.48, 639,891.99 and 226,823.76
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Solution
The fourth proportional to 426,336.48, 639,891.99 and 226,823.76 is: 340,441.68
Step by Step Solution
- Step 1: Write the proportion equation
426,336.48 : 639,891.99 = 226,823.76 : x - Step 2: Convert to fraction form
426,336.48/639,891.99 = 226,823.76/x - Step 3: Cross multiply
426,336.48x = 639,891.99 × 226,823.76 - Step 4: Simplify right side
426,336.48x = 145,142,707,165.68 - Step 5: Solve for x
x = 145,142,707,165.68/426,336.48 - Step 6: Final answer
x = 340,441.68
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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.