Finding the Fourth Proportional to 463,321.67, 639,378.99 and 259,374.26
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Solution
The fourth proportional to 463,321.67, 639,378.99 and 259,374.26 is: 357,933.72
Step by Step Solution
- Step 1: Write the proportion equation
463,321.67 : 639,378.99 = 259,374.26 : x - Step 2: Convert to fraction form
463,321.67/639,378.99 = 259,374.26/x - Step 3: Cross multiply
463,321.67x = 639,378.99 × 259,374.26 - Step 4: Simplify right side
463,321.67x = 165,838,449,193.90 - Step 5: Solve for x
x = 165,838,449,193.90/463,321.67 - Step 6: Final answer
x = 357,933.72
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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.