Finding the Fourth Proportional to 124,485.35, 186,465.45 and 84,528.86
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Solution
The fourth proportional to 124,485.35, 186,465.45 and 84,528.86 is: 126,614.99
Step by Step Solution
- Step 1: Write the proportion equation
124,485.35 : 186,465.45 = 84,528.86 : x - Step 2: Convert to fraction form
124,485.35/186,465.45 = 84,528.86/x - Step 3: Cross multiply
124,485.35x = 186,465.45 × 84,528.86 - Step 4: Simplify right side
124,485.35x = 15,761,711,917.89 - Step 5: Solve for x
x = 15,761,711,917.89/124,485.35 - Step 6: Final answer
x = 126,614.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.