Finding the Fourth Proportional to 313,282.98, 432,318.93 and 170,039.95
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Solution
The fourth proportional to 313,282.98, 432,318.93 and 170,039.95 is: 234,648.84
Step by Step Solution
- Step 1: Write the proportion equation
313,282.98 : 432,318.93 = 170,039.95 : x - Step 2: Convert to fraction form
313,282.98/432,318.93 = 170,039.95/x - Step 3: Cross multiply
313,282.98x = 432,318.93 × 170,039.95 - Step 4: Simplify right side
313,282.98x = 73,511,489,241.25 - Step 5: Solve for x
x = 73,511,489,241.25/313,282.98 - Step 6: Final answer
x = 234,648.84
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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.