Finding the Fourth Proportional to 298,300.68, 447,272.55 and 202,355.80
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Solution
The fourth proportional to 298,300.68, 447,272.55 and 202,355.80 is: 303,412.63
Step by Step Solution
- Step 1: Write the proportion equation
298,300.68 : 447,272.55 = 202,355.80 : x - Step 2: Convert to fraction form
298,300.68/447,272.55 = 202,355.80/x - Step 3: Cross multiply
298,300.68x = 447,272.55 × 202,355.80 - Step 4: Simplify right side
298,300.68x = 90,508,194,673.29 - Step 5: Solve for x
x = 90,508,194,673.29/298,300.68 - Step 6: Final answer
x = 303,412.63
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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.