Finding the Fourth Proportional to 405,445.65, 608,471.42 and 152,975.13
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Solution
The fourth proportional to 405,445.65, 608,471.42 and 152,975.13 is: 229,576.99
Step by Step Solution
- Step 1: Write the proportion equation
405,445.65 : 608,471.42 = 152,975.13 : x - Step 2: Convert to fraction form
405,445.65/608,471.42 = 152,975.13/x - Step 3: Cross multiply
405,445.65x = 608,471.42 × 152,975.13 - Step 4: Simplify right side
405,445.65x = 93,080,993,810.91 - Step 5: Solve for x
x = 93,080,993,810.91/405,445.65 - Step 6: Final answer
x = 229,576.99
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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.