Finding the Fourth Proportional to 426,502.63, 639,201.69 and 173,489.41
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Solution
The fourth proportional to 426,502.63, 639,201.69 and 173,489.41 is: 260,009.47
Step by Step Solution
- Step 1: Write the proportion equation
426,502.63 : 639,201.69 = 173,489.41 : x - Step 2: Convert to fraction form
426,502.63/639,201.69 = 173,489.41/x - Step 3: Cross multiply
426,502.63x = 639,201.69 × 173,489.41 - Step 4: Simplify right side
426,502.63x = 110,894,724,069.10 - Step 5: Solve for x
x = 110,894,724,069.10/426,502.63 - Step 6: Final answer
x = 260,009.47
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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.