Finding the Fourth Proportional to 299,139.09, 448,334.43 and 149,421.17
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Solution
The fourth proportional to 299,139.09, 448,334.43 and 149,421.17 is: 223,944.84
Step by Step Solution
- Step 1: Write the proportion equation
299,139.09 : 448,334.43 = 149,421.17 : x - Step 2: Convert to fraction form
299,139.09/448,334.43 = 149,421.17/x - Step 3: Cross multiply
299,139.09x = 448,334.43 × 149,421.17 - Step 4: Simplify right side
299,139.09x = 66,990,655,081.88 - Step 5: Solve for x
x = 66,990,655,081.88/299,139.09 - Step 6: Final answer
x = 223,944.84
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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.