Finding the Fourth Proportional to 153,283.64, 229,933.66 and 48,110.81
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Solution
The fourth proportional to 153,283.64, 229,933.66 and 48,110.81 is: 72,168.79
Step by Step Solution
- Step 1: Write the proportion equation
153,283.64 : 229,933.66 = 48,110.81 : x - Step 2: Convert to fraction form
153,283.64/229,933.66 = 48,110.81/x - Step 3: Cross multiply
153,283.64x = 229,933.66 × 48,110.81 - Step 4: Simplify right side
153,283.64x = 11,062,294,877.82 - Step 5: Solve for x
x = 11,062,294,877.82/153,283.64 - Step 6: Final answer
x = 72,168.79
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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.