Finding the Fourth Proportional to 355,898.98, 533,738.61 and 103,198.09
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Solution
The fourth proportional to 355,898.98, 533,738.61 and 103,198.09 is: 154,765.28
Step by Step Solution
- Step 1: Write the proportion equation
355,898.98 : 533,738.61 = 103,198.09 : x - Step 2: Convert to fraction form
355,898.98/533,738.61 = 103,198.09/x - Step 3: Cross multiply
355,898.98x = 533,738.61 × 103,198.09 - Step 4: Simplify right side
355,898.98x = 55,080,805,111.25 - Step 5: Solve for x
x = 55,080,805,111.25/355,898.98 - Step 6: Final answer
x = 154,765.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.