Finding the Fourth Proportional to 242,122.80, 362,795.40 and 202,465.20
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Solution
The fourth proportional to 242,122.80, 362,795.40 and 202,465.20 is: 303,372.68
Step by Step Solution
- Step 1: Write the proportion equation
242,122.80 : 362,795.40 = 202,465.20 : x - Step 2: Convert to fraction form
242,122.80/362,795.40 = 202,465.20/x - Step 3: Cross multiply
242,122.80x = 362,795.40 × 202,465.20 - Step 4: Simplify right side
242,122.80x = 73,453,443,220.08 - Step 5: Solve for x
x = 73,453,443,220.08/242,122.80 - Step 6: Final answer
x = 303,372.68
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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.