Finding the Fourth Proportional to 176,535.79, 243,639.81 and 104,915.18
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Solution
The fourth proportional to 176,535.79, 243,639.81 and 104,915.18 is: 144,795.09
Step by Step Solution
- Step 1: Write the proportion equation
176,535.79 : 243,639.81 = 104,915.18 : x - Step 2: Convert to fraction form
176,535.79/243,639.81 = 104,915.18/x - Step 3: Cross multiply
176,535.79x = 243,639.81 × 104,915.18 - Step 4: Simplify right side
176,535.79x = 25,561,515,130.42 - Step 5: Solve for x
x = 25,561,515,130.42/176,535.79 - Step 6: Final answer
x = 144,795.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.