Finding the Fourth Proportional to 307,629.40, 461,444.10 and 97,331.80
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Solution
The fourth proportional to 307,629.40, 461,444.10 and 97,331.80 is: 145,997.70
Step by Step Solution
- Step 1: Write the proportion equation
307,629.40 : 461,444.10 = 97,331.80 : x - Step 2: Convert to fraction form
307,629.40/461,444.10 = 97,331.80/x - Step 3: Cross multiply
307,629.40x = 461,444.10 × 97,331.80 - Step 4: Simplify right side
307,629.40x = 44,913,184,852.38 - Step 5: Solve for x
x = 44,913,184,852.38/307,629.40 - Step 6: Final answer
x = 145,997.70
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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.