Finding the Fourth Proportional to 218,877.53, 328,376.43 and 185,831.96
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Solution
The fourth proportional to 218,877.53, 328,376.43 and 185,831.96 is: 278,798.99
Step by Step Solution
- Step 1: Write the proportion equation
218,877.53 : 328,376.43 = 185,831.96 : x - Step 2: Convert to fraction form
218,877.53/328,376.43 = 185,831.96/x - Step 3: Cross multiply
218,877.53x = 328,376.43 × 185,831.96 - Step 4: Simplify right side
218,877.53x = 61,022,833,962.82 - Step 5: Solve for x
x = 61,022,833,962.82/218,877.53 - Step 6: Final answer
x = 278,798.99
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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.