Finding the Fourth Proportional to 307,611.20, 461,330.40 and 97,313.60
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Solution
The fourth proportional to 307,611.20, 461,330.40 and 97,313.60 is: 145,943.07
Step by Step Solution
- Step 1: Write the proportion equation
307,611.20 : 461,330.40 = 97,313.60 : x - Step 2: Convert to fraction form
307,611.20/461,330.40 = 97,313.60/x - Step 3: Cross multiply
307,611.20x = 461,330.40 × 97,313.60 - Step 4: Simplify right side
307,611.20x = 44,893,722,013.44 - Step 5: Solve for x
x = 44,893,722,013.44/307,611.20 - Step 6: Final answer
x = 145,943.07
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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.