Finding the Fourth Proportional to 939,723.53, 1,409,585.30 and 229,743.14
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Solution
The fourth proportional to 939,723.53, 1,409,585.30 and 229,743.14 is: 344,614.71
Step by Step Solution
- Step 1: Write the proportion equation
939,723.53 : 1,409,585.30 = 229,743.14 : x - Step 2: Convert to fraction form
939,723.53/1,409,585.30 = 229,743.14/x - Step 3: Cross multiply
939,723.53x = 1,409,585.30 × 229,743.14 - Step 4: Simplify right side
939,723.53x = 323,842,551,771.13 - Step 5: Solve for x
x = 323,842,551,771.13/939,723.53 - Step 6: Final answer
x = 344,614.71
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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.