Finding the Fourth Proportional to 276,483.11, 414,797.09 and 86,935.82
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Solution
The fourth proportional to 276,483.11, 414,797.09 and 86,935.82 is: 130,426.50
Step by Step Solution
- Step 1: Write the proportion equation
276,483.11 : 414,797.09 = 86,935.82 : x - Step 2: Convert to fraction form
276,483.11/414,797.09 = 86,935.82/x - Step 3: Cross multiply
276,483.11x = 414,797.09 × 86,935.82 - Step 4: Simplify right side
276,483.11x = 36,060,722,644.10 - Step 5: Solve for x
x = 36,060,722,644.10/276,483.11 - Step 6: Final answer
x = 130,426.50
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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.