Finding the Fourth Proportional to 336,420.26, 504,727.79 and 99,768.63
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Solution
The fourth proportional to 336,420.26, 504,727.79 and 99,768.63 is: 149,681.83
Step by Step Solution
- Step 1: Write the proportion equation
336,420.26 : 504,727.79 = 99,768.63 : x - Step 2: Convert to fraction form
336,420.26/504,727.79 = 99,768.63/x - Step 3: Cross multiply
336,420.26x = 504,727.79 × 99,768.63 - Step 4: Simplify right side
336,420.26x = 50,356,000,131.23 - Step 5: Solve for x
x = 50,356,000,131.23/336,420.26 - Step 6: Final answer
x = 149,681.83
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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.