Finding the Fourth Proportional to 268,750.77, 370,891.37 and 154,048.49
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Solution
The fourth proportional to 268,750.77, 370,891.37 and 154,048.49 is: 212,595.69
Step by Step Solution
- Step 1: Write the proportion equation
268,750.77 : 370,891.37 = 154,048.49 : x - Step 2: Convert to fraction form
268,750.77/370,891.37 = 154,048.49/x - Step 3: Cross multiply
268,750.77x = 370,891.37 × 154,048.49 - Step 4: Simplify right side
268,750.77x = 57,135,255,502.53 - Step 5: Solve for x
x = 57,135,255,502.53/268,750.77 - Step 6: Final answer
x = 212,595.69
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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.