Finding the Fourth Proportional to 298,827.09, 448,380.50 and 149,078.95
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Solution
The fourth proportional to 298,827.09, 448,380.50 and 149,078.95 is: 223,688.19
Step by Step Solution
- Step 1: Write the proportion equation
298,827.09 : 448,380.50 = 149,078.95 : x - Step 2: Convert to fraction form
298,827.09/448,380.50 = 149,078.95/x - Step 3: Cross multiply
298,827.09x = 448,380.50 × 149,078.95 - Step 4: Simplify right side
298,827.09x = 66,844,092,274.13 - Step 5: Solve for x
x = 66,844,092,274.13/298,827.09 - Step 6: Final answer
x = 223,688.19
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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.