Finding the Fourth Proportional to 298,901.49, 448,254.74 and 99,168.26
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Solution
The fourth proportional to 298,901.49, 448,254.74 and 99,168.26 is: 148,720.03
Step by Step Solution
- Step 1: Write the proportion equation
298,901.49 : 448,254.74 = 99,168.26 : x - Step 2: Convert to fraction form
298,901.49/448,254.74 = 99,168.26/x - Step 3: Cross multiply
298,901.49x = 448,254.74 × 99,168.26 - Step 4: Simplify right side
298,901.49x = 44,452,639,865.44 - Step 5: Solve for x
x = 44,452,639,865.44/298,901.49 - Step 6: Final answer
x = 148,720.03
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1.5x scale
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.