Finding the Fourth Proportional to 338,319.73, 507,487.83 and 113,683.42
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Solution
The fourth proportional to 338,319.73, 507,487.83 and 113,683.42 is: 170,527.90
Step by Step Solution
- Step 1: Write the proportion equation
338,319.73 : 507,487.83 = 113,683.42 : x - Step 2: Convert to fraction form
338,319.73/507,487.83 = 113,683.42/x - Step 3: Cross multiply
338,319.73x = 507,487.83 × 113,683.42 - Step 4: Simplify right side
338,319.73x = 57,692,952,122.78 - Step 5: Solve for x
x = 57,692,952,122.78/338,319.73 - Step 6: Final answer
x = 170,527.90
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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.