Finding the Fourth Proportional to 306,888.65, 459,762.74 and 166,765.13
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Solution
The fourth proportional to 306,888.65, 459,762.74 and 166,765.13 is: 249,837.82
Step by Step Solution
- Step 1: Write the proportion equation
306,888.65 : 459,762.74 = 166,765.13 : x - Step 2: Convert to fraction form
306,888.65/459,762.74 = 166,765.13/x - Step 3: Cross multiply
306,888.65x = 459,762.74 × 166,765.13 - Step 4: Simplify right side
306,888.65x = 76,672,392,271.43 - Step 5: Solve for x
x = 76,672,392,271.43/306,888.65 - Step 6: Final answer
x = 249,837.82
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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.