Finding the Fourth Proportional to 178,200.68, 245,823.62 and 110,195.96
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Solution
The fourth proportional to 178,200.68, 245,823.62 and 110,195.96 is: 152,012.72
Step by Step Solution
- Step 1: Write the proportion equation
178,200.68 : 245,823.62 = 110,195.96 : x - Step 2: Convert to fraction form
178,200.68/245,823.62 = 110,195.96/x - Step 3: Cross multiply
178,200.68x = 245,823.62 × 110,195.96 - Step 4: Simplify right side
178,200.68x = 27,088,769,796.58 - Step 5: Solve for x
x = 27,088,769,796.58/178,200.68 - Step 6: Final answer
x = 152,012.72
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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.