Finding the Fourth Proportional to 609,243.36, 913,842.32 and 159,960.08
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Solution
The fourth proportional to 609,243.36, 913,842.32 and 159,960.08 is: 239,934.15
Step by Step Solution
- Step 1: Write the proportion equation
609,243.36 : 913,842.32 = 159,960.08 : x - Step 2: Convert to fraction form
609,243.36/913,842.32 = 159,960.08/x - Step 3: Cross multiply
609,243.36x = 913,842.32 × 159,960.08 - Step 4: Simplify right side
609,243.36x = 146,178,290,614.59 - Step 5: Solve for x
x = 146,178,290,614.59/609,243.36 - Step 6: Final answer
x = 239,934.15
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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.