Finding the Fourth Proportional to 395,355.93, 545,368.35 and 250,116.63
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Solution
The fourth proportional to 395,355.93, 545,368.35 and 250,116.63 is: 345,019.98
Step by Step Solution
- Step 1: Write the proportion equation
395,355.93 : 545,368.35 = 250,116.63 : x - Step 2: Convert to fraction form
395,355.93/545,368.35 = 250,116.63/x - Step 3: Cross multiply
395,355.93x = 545,368.35 × 250,116.63 - Step 4: Simplify right side
395,355.93x = 136,405,693,810.66 - Step 5: Solve for x
x = 136,405,693,810.66/395,355.93 - Step 6: Final answer
x = 345,019.98
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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.