Finding the Fourth Proportional to 327,730.79, 491,653.83 and 135,604.65
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Solution
The fourth proportional to 327,730.79, 491,653.83 and 135,604.65 is: 203,430.83
Step by Step Solution
- Step 1: Write the proportion equation
327,730.79 : 491,653.83 = 135,604.65 : x - Step 2: Convert to fraction form
327,730.79/491,653.83 = 135,604.65/x - Step 3: Cross multiply
327,730.79x = 491,653.83 × 135,604.65 - Step 4: Simplify right side
327,730.79x = 66,670,545,538.31 - Step 5: Solve for x
x = 66,670,545,538.31/327,730.79 - Step 6: Final answer
x = 203,430.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.