Finding the Fourth Proportional to 775,605.54, 1,163,408.65 and 243,168.09
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Solution
The fourth proportional to 775,605.54, 1,163,408.65 and 243,168.09 is: 364,752.24
Step by Step Solution
- Step 1: Write the proportion equation
775,605.54 : 1,163,408.65 = 243,168.09 : x - Step 2: Convert to fraction form
775,605.54/1,163,408.65 = 243,168.09/x - Step 3: Cross multiply
775,605.54x = 1,163,408.65 × 243,168.09 - Step 4: Simplify right side
775,605.54x = 282,903,859,309.98 - Step 5: Solve for x
x = 282,903,859,309.98/775,605.54 - Step 6: Final answer
x = 364,752.24
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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.