Finding the Fourth Proportional to 178,977.04, 246,991.36 and 98,407.92
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Solution
The fourth proportional to 178,977.04, 246,991.36 and 98,407.92 is: 135,804.60
Step by Step Solution
- Step 1: Write the proportion equation
178,977.04 : 246,991.36 = 98,407.92 : x - Step 2: Convert to fraction form
178,977.04/246,991.36 = 98,407.92/x - Step 3: Cross multiply
178,977.04x = 246,991.36 × 98,407.92 - Step 4: Simplify right side
178,977.04x = 24,305,905,995.57 - Step 5: Solve for x
x = 24,305,905,995.57/178,977.04 - Step 6: Final answer
x = 135,804.60
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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.