Finding the Fourth Proportional to 939,729.96, 1,409,582.34 and 229,764.12
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Solution
The fourth proportional to 939,729.96, 1,409,582.34 and 229,764.12 is: 344,643.10
Step by Step Solution
- Step 1: Write the proportion equation
939,729.96 : 1,409,582.34 = 229,764.12 : x - Step 2: Convert to fraction form
939,729.96/1,409,582.34 = 229,764.12/x - Step 3: Cross multiply
939,729.96x = 1,409,582.34 × 229,764.12 - Step 4: Simplify right side
939,729.96x = 323,871,445,917.64 - Step 5: Solve for x
x = 323,871,445,917.64/939,729.96 - Step 6: Final answer
x = 344,643.10
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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.