Finding the Fourth Proportional to 203,252.79, 280,465.74 and 112,586.15
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Solution
The fourth proportional to 203,252.79, 280,465.74 and 112,586.15 is: 155,356.09
Step by Step Solution
- Step 1: Write the proportion equation
203,252.79 : 280,465.74 = 112,586.15 : x - Step 2: Convert to fraction form
203,252.79/280,465.74 = 112,586.15/x - Step 3: Cross multiply
203,252.79x = 280,465.74 × 112,586.15 - Step 4: Simplify right side
203,252.79x = 31,576,558,574.67 - Step 5: Solve for x
x = 31,576,558,574.67/203,252.79 - Step 6: Final answer
x = 155,356.09
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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.