Finding the Fourth Proportional to 457,207.74, 685,844.42 and 157,683.92
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Solution
The fourth proportional to 457,207.74, 685,844.42 and 157,683.92 is: 236,537.19
Step by Step Solution
- Step 1: Write the proportion equation
457,207.74 : 685,844.42 = 157,683.92 : x - Step 2: Convert to fraction form
457,207.74/685,844.42 = 157,683.92/x - Step 3: Cross multiply
457,207.74x = 685,844.42 × 157,683.92 - Step 4: Simplify right side
457,207.74x = 108,146,632,438.09 - Step 5: Solve for x
x = 108,146,632,438.09/457,207.74 - Step 6: Final answer
x = 236,537.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.