Finding the Fourth Proportional to 202,345.14, 302,919.90 and 193,684.62
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Solution
The fourth proportional to 202,345.14, 302,919.90 and 193,684.62 is: 289,954.71
Step by Step Solution
- Step 1: Write the proportion equation
202,345.14 : 302,919.90 = 193,684.62 : x - Step 2: Convert to fraction form
202,345.14/302,919.90 = 193,684.62/x - Step 3: Cross multiply
202,345.14x = 302,919.90 × 193,684.62 - Step 4: Simplify right side
202,345.14x = 58,670,925,721.94 - Step 5: Solve for x
x = 58,670,925,721.94/202,345.14 - Step 6: Final answer
x = 289,954.71
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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.