Finding the Fourth Proportional to 371,958.84, 513,306.18 and 202,192.56
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Solution
The fourth proportional to 371,958.84, 513,306.18 and 202,192.56 is: 279,027.35
Step by Step Solution
- Step 1: Write the proportion equation
371,958.84 : 513,306.18 = 202,192.56 : x - Step 2: Convert to fraction form
371,958.84/513,306.18 = 202,192.56/x - Step 3: Cross multiply
371,958.84x = 513,306.18 × 202,192.56 - Step 4: Simplify right side
371,958.84x = 103,786,690,598.02 - Step 5: Solve for x
x = 103,786,690,598.02/371,958.84 - Step 6: Final answer
x = 279,027.35
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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.