Finding the Fourth Proportional to 425,649.84, 638,470.92 and 162,993.84
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Solution
The fourth proportional to 425,649.84, 638,470.92 and 162,993.84 is: 244,489.29
Step by Step Solution
- Step 1: Write the proportion equation
425,649.84 : 638,470.92 = 162,993.84 : x - Step 2: Convert to fraction form
425,649.84/638,470.92 = 162,993.84/x - Step 3: Cross multiply
425,649.84x = 638,470.92 × 162,993.84 - Step 4: Simplify right side
425,649.84x = 104,066,826,979.13 - Step 5: Solve for x
x = 104,066,826,979.13/425,649.84 - Step 6: Final answer
x = 244,489.29
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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.