Finding the Fourth Proportional to 515,378.14, 773,116.40 and 160,296.82
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Solution
The fourth proportional to 515,378.14, 773,116.40 and 160,296.82 is: 240,460.53
Step by Step Solution
- Step 1: Write the proportion equation
515,378.14 : 773,116.40 = 160,296.82 : x - Step 2: Convert to fraction form
515,378.14/773,116.40 = 160,296.82/x - Step 3: Cross multiply
515,378.14x = 773,116.40 × 160,296.82 - Step 4: Simplify right side
515,378.14x = 123,928,100,409.85 - Step 5: Solve for x
x = 123,928,100,409.85/515,378.14 - Step 6: Final answer
x = 240,460.53
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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.