Finding the Fourth Proportional to 252,567.81, 348,542.87 and 139,389.75
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Solution
The fourth proportional to 252,567.81, 348,542.87 and 139,389.75 is: 192,357.46
Step by Step Solution
- Step 1: Write the proportion equation
252,567.81 : 348,542.87 = 139,389.75 : x - Step 2: Convert to fraction form
252,567.81/348,542.87 = 139,389.75/x - Step 3: Cross multiply
252,567.81x = 348,542.87 × 139,389.75 - Step 4: Simplify right side
252,567.81x = 48,583,302,816.63 - Step 5: Solve for x
x = 48,583,302,816.63/252,567.81 - Step 6: Final answer
x = 192,357.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.