Finding the Fourth Proportional to 307,530.10, 461,242.58 and 82,837.99
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Solution
The fourth proportional to 307,530.10, 461,242.58 and 82,837.99 is: 124,242.82
Step by Step Solution
- Step 1: Write the proportion equation
307,530.10 : 461,242.58 = 82,837.99 : x - Step 2: Convert to fraction form
307,530.10/461,242.58 = 82,837.99/x - Step 3: Cross multiply
307,530.10x = 461,242.58 × 82,837.99 - Step 4: Simplify right side
307,530.10x = 38,208,405,509.21 - Step 5: Solve for x
x = 38,208,405,509.21/307,530.10 - Step 6: Final answer
x = 124,242.82
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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.