Finding the Fourth Proportional to 307,628.40, 461,442.60 and 97,330.80
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Solution
The fourth proportional to 307,628.40, 461,442.60 and 97,330.80 is: 145,996.20
Step by Step Solution
- Step 1: Write the proportion equation
307,628.40 : 461,442.60 = 97,330.80 : x - Step 2: Convert to fraction form
307,628.40/461,442.60 = 97,330.80/x - Step 3: Cross multiply
307,628.40x = 461,442.60 × 97,330.80 - Step 4: Simplify right side
307,628.40x = 44,912,577,412.08 - Step 5: Solve for x
x = 44,912,577,412.08/307,628.40 - Step 6: Final answer
x = 145,996.20
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1.5x scale
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.