Finding the Fourth Proportional to 307,451.08, 461,138.46 and 82,829.08
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Solution
The fourth proportional to 307,451.08, 461,138.46 and 82,829.08 is: 124,233.34
Step by Step Solution
- Step 1: Write the proportion equation
307,451.08 : 461,138.46 = 82,829.08 : x - Step 2: Convert to fraction form
307,451.08/461,138.46 = 82,829.08/x - Step 3: Cross multiply
307,451.08x = 461,138.46 × 82,829.08 - Step 4: Simplify right side
307,451.08x = 38,195,674,394.42 - Step 5: Solve for x
x = 38,195,674,394.42/307,451.08 - Step 6: Final answer
x = 124,233.34
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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.