Finding the Fourth Proportional to 178,983.68, 246,997.52 and 98,416.65
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Solution
The fourth proportional to 178,983.68, 246,997.52 and 98,416.65 is: 135,815.00
Step by Step Solution
- Step 1: Write the proportion equation
178,983.68 : 246,997.52 = 98,416.65 : x - Step 2: Convert to fraction form
178,983.68/246,997.52 = 98,416.65/x - Step 3: Cross multiply
178,983.68x = 246,997.52 × 98,416.65 - Step 4: Simplify right side
178,983.68x = 24,308,667,984.62 - Step 5: Solve for x
x = 24,308,667,984.62/178,983.68 - Step 6: Final answer
x = 135,815.00
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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.