Finding the Fourth Proportional to 299,202.88, 448,803.09 and 121,708.39
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Solution
The fourth proportional to 299,202.88, 448,803.09 and 121,708.39 is: 182,562.08
Step by Step Solution
- Step 1: Write the proportion equation
299,202.88 : 448,803.09 = 121,708.39 : x - Step 2: Convert to fraction form
299,202.88/448,803.09 = 121,708.39/x - Step 3: Cross multiply
299,202.88x = 448,803.09 × 121,708.39 - Step 4: Simplify right side
299,202.88x = 54,623,101,510.93 - Step 5: Solve for x
x = 54,623,101,510.93/299,202.88 - Step 6: Final answer
x = 182,562.08
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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.