Finding the Fourth Proportional to 299,701.68, 449,403.80 and 110,154.40
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Solution
The fourth proportional to 299,701.68, 449,403.80 and 110,154.40 is: 165,176.94
Step by Step Solution
- Step 1: Write the proportion equation
299,701.68 : 449,403.80 = 110,154.40 : x - Step 2: Convert to fraction form
299,701.68/449,403.80 = 110,154.40/x - Step 3: Cross multiply
299,701.68x = 449,403.80 × 110,154.40 - Step 4: Simplify right side
299,701.68x = 49,503,805,946.72 - Step 5: Solve for x
x = 49,503,805,946.72/299,701.68 - Step 6: Final answer
x = 165,176.94
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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.