Finding the Fourth Proportional to 177,639.28, 245,141.10 and 97,064.68
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Solution
The fourth proportional to 177,639.28, 245,141.10 and 97,064.68 is: 133,948.65
Step by Step Solution
- Step 1: Write the proportion equation
177,639.28 : 245,141.10 = 97,064.68 : x - Step 2: Convert to fraction form
177,639.28/245,141.10 = 97,064.68/x - Step 3: Cross multiply
177,639.28x = 245,141.10 × 97,064.68 - Step 4: Simplify right side
177,639.28x = 23,794,542,426.35 - Step 5: Solve for x
x = 23,794,542,426.35/177,639.28 - Step 6: Final answer
x = 133,948.65
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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.