Finding the Fourth Proportional to 638,359.68, 957,572.28 and 165,049.08
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Solution
The fourth proportional to 638,359.68, 957,572.28 and 165,049.08 is: 247,582.09
Step by Step Solution
- Step 1: Write the proportion equation
638,359.68 : 957,572.28 = 165,049.08 : x - Step 2: Convert to fraction form
638,359.68/957,572.28 = 165,049.08/x - Step 3: Cross multiply
638,359.68x = 957,572.28 × 165,049.08 - Step 4: Simplify right side
638,359.68x = 158,046,423,847.50 - Step 5: Solve for x
x = 158,046,423,847.50/638,359.68 - Step 6: Final answer
x = 247,582.09
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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.