Finding the Fourth Proportional to 369,518.96, 509,936.56 and 199,753.12
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Solution
The fourth proportional to 369,518.96, 509,936.56 and 199,753.12 is: 275,659.52
Step by Step Solution
- Step 1: Write the proportion equation
369,518.96 : 509,936.56 = 199,753.12 : x - Step 2: Convert to fraction form
369,518.96/509,936.56 = 199,753.12/x - Step 3: Cross multiply
369,518.96x = 509,936.56 × 199,753.12 - Step 4: Simplify right side
369,518.96x = 101,861,418,862.07 - Step 5: Solve for x
x = 101,861,418,862.07/369,518.96 - Step 6: Final answer
x = 275,659.52
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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.