Finding the Fourth Proportional to 622,487.70, 933,749.64 and 243,393.12
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Solution
The fourth proportional to 622,487.70, 933,749.64 and 243,393.12 is: 365,096.75
Step by Step Solution
- Step 1: Write the proportion equation
622,487.70 : 933,749.64 = 243,393.12 : x - Step 2: Convert to fraction form
622,487.70/933,749.64 = 243,393.12/x - Step 3: Cross multiply
622,487.70x = 933,749.64 × 243,393.12 - Step 4: Simplify right side
622,487.70x = 227,268,238,178.48 - Step 5: Solve for x
x = 227,268,238,178.48/622,487.70 - Step 6: Final answer
x = 365,096.75
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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.