Finding the Fourth Proportional to 638,204.24, 880,682.28 and 351,708.32
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Solution
The fourth proportional to 638,204.24, 880,682.28 and 351,708.32 is: 485,335.67
Step by Step Solution
- Step 1: Write the proportion equation
638,204.24 : 880,682.28 = 351,708.32 : x - Step 2: Convert to fraction form
638,204.24/880,682.28 = 351,708.32/x - Step 3: Cross multiply
638,204.24x = 880,682.28 × 351,708.32 - Step 4: Simplify right side
638,204.24x = 309,743,285,152.57 - Step 5: Solve for x
x = 309,743,285,152.57/638,204.24 - Step 6: Final answer
x = 485,335.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.