Finding the Fourth Proportional to 202,860.10, 304,290.15 and 132,357.70
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Solution
The fourth proportional to 202,860.10, 304,290.15 and 132,357.70 is: 198,536.55
Step by Step Solution
- Step 1: Write the proportion equation
202,860.10 : 304,290.15 = 132,357.70 : x - Step 2: Convert to fraction form
202,860.10/304,290.15 = 132,357.70/x - Step 3: Cross multiply
202,860.10x = 304,290.15 × 132,357.70 - Step 4: Simplify right side
202,860.10x = 40,275,144,386.66 - Step 5: Solve for x
x = 40,275,144,386.66/202,860.10 - Step 6: Final answer
x = 198,536.55
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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.