Finding the Fourth Proportional to 234,371.57, 323,409.65 and 130,986.68
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Solution
The fourth proportional to 234,371.57, 323,409.65 and 130,986.68 is: 180,748.69
Step by Step Solution
- Step 1: Write the proportion equation
234,371.57 : 323,409.65 = 130,986.68 : x - Step 2: Convert to fraction form
234,371.57/323,409.65 = 130,986.68/x - Step 3: Cross multiply
234,371.57x = 323,409.65 × 130,986.68 - Step 4: Simplify right side
234,371.57x = 42,362,354,061.48 - Step 5: Solve for x
x = 42,362,354,061.48/234,371.57 - Step 6: Final answer
x = 180,748.69
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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.