Finding the Fourth Proportional to 153,678.24, 230,524.56 and 74,698.32
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Solution
The fourth proportional to 153,678.24, 230,524.56 and 74,698.32 is: 112,050.98
Step by Step Solution
- Step 1: Write the proportion equation
153,678.24 : 230,524.56 = 74,698.32 : x - Step 2: Convert to fraction form
153,678.24/230,524.56 = 74,698.32/x - Step 3: Cross multiply
153,678.24x = 230,524.56 × 74,698.32 - Step 4: Simplify right side
153,678.24x = 17,219,797,350.74 - Step 5: Solve for x
x = 17,219,797,350.74/153,678.24 - Step 6: Final answer
x = 112,050.98
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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.