Finding the Fourth Proportional to 225,330.94, 310,956.70 and 124,728.94
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Solution
The fourth proportional to 225,330.94, 310,956.70 and 124,728.94 is: 172,125.94
Step by Step Solution
- Step 1: Write the proportion equation
225,330.94 : 310,956.70 = 124,728.94 : x - Step 2: Convert to fraction form
225,330.94/310,956.70 = 124,728.94/x - Step 3: Cross multiply
225,330.94x = 310,956.70 × 124,728.94 - Step 4: Simplify right side
225,330.94x = 38,785,298,487.68 - Step 5: Solve for x
x = 38,785,298,487.68/225,330.94 - Step 6: Final answer
x = 172,125.94
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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.