Finding the Fourth Proportional to 463,455.82, 639,420.33 and 259,476.70
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Solution
The fourth proportional to 463,455.82, 639,420.33 and 259,476.70 is: 357,994.59
Step by Step Solution
- Step 1: Write the proportion equation
463,455.82 : 639,420.33 = 259,476.70 : x - Step 2: Convert to fraction form
463,455.82/639,420.33 = 259,476.70/x - Step 3: Cross multiply
463,455.82x = 639,420.33 × 259,476.70 - Step 4: Simplify right side
463,455.82x = 165,914,677,141.31 - Step 5: Solve for x
x = 165,914,677,141.31/463,455.82 - Step 6: Final answer
x = 357,994.59
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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.