Finding the Fourth Proportional to 163,276.92, 225,257.76 and 94,320.81
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Solution
The fourth proportional to 163,276.92, 225,257.76 and 94,320.81 is: 130,125.52
Step by Step Solution
- Step 1: Write the proportion equation
163,276.92 : 225,257.76 = 94,320.81 : x - Step 2: Convert to fraction form
163,276.92/225,257.76 = 94,320.81/x - Step 3: Cross multiply
163,276.92x = 225,257.76 × 94,320.81 - Step 4: Simplify right side
163,276.92x = 21,246,494,381.99 - Step 5: Solve for x
x = 21,246,494,381.99/163,276.92 - Step 6: Final answer
x = 130,125.52
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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.