Finding the Fourth Proportional to 330,591.08, 456,218.70 and 179,688.44
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Solution
The fourth proportional to 330,591.08, 456,218.70 and 179,688.44 is: 247,971.68
Step by Step Solution
- Step 1: Write the proportion equation
330,591.08 : 456,218.70 = 179,688.44 : x - Step 2: Convert to fraction form
330,591.08/456,218.70 = 179,688.44/x - Step 3: Cross multiply
330,591.08x = 456,218.70 × 179,688.44 - Step 4: Simplify right side
330,591.08x = 81,977,226,501.83 - Step 5: Solve for x
x = 81,977,226,501.83/330,591.08 - Step 6: Final answer
x = 247,971.68
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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.