Finding the Fourth Proportional to 330,687.70, 456,347.12 and 183,511.08
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Solution
The fourth proportional to 330,687.70, 456,347.12 and 183,511.08 is: 253,244.23
Step by Step Solution
- Step 1: Write the proportion equation
330,687.70 : 456,347.12 = 183,511.08 : x - Step 2: Convert to fraction form
330,687.70/456,347.12 = 183,511.08/x - Step 3: Cross multiply
330,687.70x = 456,347.12 × 183,511.08 - Step 4: Simplify right side
330,687.70x = 83,744,751,928.53 - Step 5: Solve for x
x = 83,744,751,928.53/330,687.70 - Step 6: Final answer
x = 253,244.23
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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.