Finding the Fourth Proportional to 653,235.53, 979,471.88 and 253,409.09
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Solution
The fourth proportional to 653,235.53, 979,471.88 and 253,409.09 is: 379,965.67
Step by Step Solution
- Step 1: Write the proportion equation
653,235.53 : 979,471.88 = 253,409.09 : x - Step 2: Convert to fraction form
653,235.53/979,471.88 = 253,409.09/x - Step 3: Cross multiply
653,235.53x = 979,471.88 × 253,409.09 - Step 4: Simplify right side
653,235.53x = 248,207,076,524.34 - Step 5: Solve for x
x = 248,207,076,524.34/653,235.53 - Step 6: Final answer
x = 379,965.67
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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.