Finding the Fourth Proportional to 238,528.74, 357,809.67 and 80,703.84
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Solution
The fourth proportional to 238,528.74, 357,809.67 and 80,703.84 is: 121,061.36
Step by Step Solution
- Step 1: Write the proportion equation
238,528.74 : 357,809.67 = 80,703.84 : x - Step 2: Convert to fraction form
238,528.74/357,809.67 = 80,703.84/x - Step 3: Cross multiply
238,528.74x = 357,809.67 × 80,703.84 - Step 4: Simplify right side
238,528.74x = 28,876,614,358.13 - Step 5: Solve for x
x = 28,876,614,358.13/238,528.74 - Step 6: Final answer
x = 121,061.36
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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.