Finding the Fourth Proportional to 174,921.12, 261,787.14 and 130,437.54
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Solution
The fourth proportional to 174,921.12, 261,787.14 and 130,437.54 is: 195,212.97
Step by Step Solution
- Step 1: Write the proportion equation
174,921.12 : 261,787.14 = 130,437.54 : x - Step 2: Convert to fraction form
174,921.12/261,787.14 = 130,437.54/x - Step 3: Cross multiply
174,921.12x = 261,787.14 × 130,437.54 - Step 4: Simplify right side
174,921.12x = 34,146,870,545.24 - Step 5: Solve for x
x = 34,146,870,545.24/174,921.12 - Step 6: Final answer
x = 195,212.97
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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.