Finding the Fourth Proportional to 638,325.29, 957,520.74 and 165,014.75
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Solution
The fourth proportional to 638,325.29, 957,520.74 and 165,014.75 is: 247,530.61
Step by Step Solution
- Step 1: Write the proportion equation
638,325.29 : 957,520.74 = 165,014.75 : x - Step 2: Convert to fraction form
638,325.29/957,520.74 = 165,014.75/x - Step 3: Cross multiply
638,325.29x = 957,520.74 × 165,014.75 - Step 4: Simplify right side
638,325.29x = 158,005,045,530.92 - Step 5: Solve for x
x = 158,005,045,530.92/638,325.29 - Step 6: Final answer
x = 247,530.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.