Finding the Fourth Proportional to 178,713.93, 246,631.80 and 98,148.90
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Solution
The fourth proportional to 178,713.93, 246,631.80 and 98,148.90 is: 135,449.09
Step by Step Solution
- Step 1: Write the proportion equation
178,713.93 : 246,631.80 = 98,148.90 : x - Step 2: Convert to fraction form
178,713.93/246,631.80 = 98,148.90/x - Step 3: Cross multiply
178,713.93x = 246,631.80 × 98,148.90 - Step 4: Simplify right side
178,713.93x = 24,206,639,875.02 - Step 5: Solve for x
x = 24,206,639,875.02/178,713.93 - Step 6: Final answer
x = 135,449.09
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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.