Finding the Fourth Proportional to 406,321.65, 608,921.96 and 306,371.99
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Solution
The fourth proportional to 406,321.65, 608,921.96 and 306,371.99 is: 459,135.35
Step by Step Solution
- Step 1: Write the proportion equation
406,321.65 : 608,921.96 = 306,371.99 : x - Step 2: Convert to fraction form
406,321.65/608,921.96 = 306,371.99/x - Step 3: Cross multiply
406,321.65x = 608,921.96 × 306,371.99 - Step 4: Simplify right side
406,321.65x = 186,556,632,630.35 - Step 5: Solve for x
x = 186,556,632,630.35/406,321.65 - Step 6: Final answer
x = 459,135.35
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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.