Finding the Fourth Proportional to 202,358.75, 279,255.08 and 112,934.75
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Solution
The fourth proportional to 202,358.75, 279,255.08 and 112,934.75 is: 155,849.96
Step by Step Solution
- Step 1: Write the proportion equation
202,358.75 : 279,255.08 = 112,934.75 : x - Step 2: Convert to fraction form
202,358.75/279,255.08 = 112,934.75/x - Step 3: Cross multiply
202,358.75x = 279,255.08 × 112,934.75 - Step 4: Simplify right side
202,358.75x = 31,537,602,646.03 - Step 5: Solve for x
x = 31,537,602,646.03/202,358.75 - Step 6: Final answer
x = 155,849.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.