Finding the Fourth Proportional to 307,800.20, 461,771.38 and 97,438.14
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Solution
The fourth proportional to 307,800.20, 461,771.38 and 97,438.14 is: 146,179.71
Step by Step Solution
- Step 1: Write the proportion equation
307,800.20 : 461,771.38 = 97,438.14 : x - Step 2: Convert to fraction form
307,800.20/461,771.38 = 97,438.14/x - Step 3: Cross multiply
307,800.20x = 461,771.38 × 97,438.14 - Step 4: Simplify right side
307,800.20x = 44,994,144,494.23 - Step 5: Solve for x
x = 44,994,144,494.23/307,800.20 - Step 6: Final answer
x = 146,179.71
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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.