Finding the Fourth Proportional to 154,842.36, 232,263.36 and 42,523.80
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Solution
The fourth proportional to 154,842.36, 232,263.36 and 42,523.80 is: 63,785.65
Step by Step Solution
- Step 1: Write the proportion equation
154,842.36 : 232,263.36 = 42,523.80 : x - Step 2: Convert to fraction form
154,842.36/232,263.36 = 42,523.80/x - Step 3: Cross multiply
154,842.36x = 232,263.36 × 42,523.80 - Step 4: Simplify right side
154,842.36x = 9,876,720,667.97 - Step 5: Solve for x
x = 9,876,720,667.97/154,842.36 - Step 6: Final answer
x = 63,785.65
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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.