Finding the Fourth Proportional to 226,342.68, 312,365.88 and 125,740.68
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Solution
The fourth proportional to 226,342.68, 312,365.88 and 125,740.68 is: 173,529.35
Step by Step Solution
- Step 1: Write the proportion equation
226,342.68 : 312,365.88 = 125,740.68 : x - Step 2: Convert to fraction form
226,342.68/312,365.88 = 125,740.68/x - Step 3: Cross multiply
226,342.68x = 312,365.88 × 125,740.68 - Step 4: Simplify right side
226,342.68x = 39,277,098,160.00 - Step 5: Solve for x
x = 39,277,098,160.00/226,342.68 - Step 6: Final answer
x = 173,529.35
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1.5x scale
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.