Finding the Fourth Proportional to 178,743.58, 246,670.62 and 98,178.65
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Solution
The fourth proportional to 178,743.58, 246,670.62 and 98,178.65 is: 135,489.00
Step by Step Solution
- Step 1: Write the proportion equation
178,743.58 : 246,670.62 = 98,178.65 : x - Step 2: Convert to fraction form
178,743.58/246,670.62 = 98,178.65/x - Step 3: Cross multiply
178,743.58x = 246,670.62 × 98,178.65 - Step 4: Simplify right side
178,743.58x = 24,217,787,789.75 - Step 5: Solve for x
x = 24,217,787,789.75/178,743.58 - Step 6: Final answer
x = 135,489.00
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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.