Finding the Fourth Proportional to 307,615.60, 461,380.20 and 97,274.80
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Solution
The fourth proportional to 307,615.60, 461,380.20 and 97,274.80 is: 145,898.54
Step by Step Solution
- Step 1: Write the proportion equation
307,615.60 : 461,380.20 = 97,274.80 : x - Step 2: Convert to fraction form
307,615.60/461,380.20 = 97,274.80/x - Step 3: Cross multiply
307,615.60x = 461,380.20 × 97,274.80 - Step 4: Simplify right side
307,615.60x = 44,880,666,678.96 - Step 5: Solve for x
x = 44,880,666,678.96/307,615.60 - Step 6: Final answer
x = 145,898.54
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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.