Finding the Fourth Proportional to 638,233.20, 957,787.20 and 283,501.80
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Solution
The fourth proportional to 638,233.20, 957,787.20 and 283,501.80 is: 425,446.99
Step by Step Solution
- Step 1: Write the proportion equation
638,233.20 : 957,787.20 = 283,501.80 : x - Step 2: Convert to fraction form
638,233.20/957,787.20 = 283,501.80/x - Step 3: Cross multiply
638,233.20x = 957,787.20 × 283,501.80 - Step 4: Simplify right side
638,233.20x = 271,534,395,216.96 - Step 5: Solve for x
x = 271,534,395,216.96/638,233.20 - Step 6: Final answer
x = 425,446.99
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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.