Finding the Fourth Proportional to 306,846.96, 423,436.99 and 170,886.65
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Solution
The fourth proportional to 306,846.96, 423,436.99 and 170,886.65 is: 235,817.00
Step by Step Solution
- Step 1: Write the proportion equation
306,846.96 : 423,436.99 = 170,886.65 : x - Step 2: Convert to fraction form
306,846.96/423,436.99 = 170,886.65/x - Step 3: Cross multiply
306,846.96x = 423,436.99 × 170,886.65 - Step 4: Simplify right side
306,846.96x = 72,359,728,707.18 - Step 5: Solve for x
x = 72,359,728,707.18/306,846.96 - Step 6: Final answer
x = 235,817.00
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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.