Finding the Fourth Proportional to 276,485.11, 414,800.09 and 86,937.82
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Solution
The fourth proportional to 276,485.11, 414,800.09 and 86,937.82 is: 130,429.50
Step by Step Solution
- Step 1: Write the proportion equation
276,485.11 : 414,800.09 = 86,937.82 : x - Step 2: Convert to fraction form
276,485.11/414,800.09 = 86,937.82/x - Step 3: Cross multiply
276,485.11x = 414,800.09 × 86,937.82 - Step 4: Simplify right side
276,485.11x = 36,061,815,560.40 - Step 5: Solve for x
x = 36,061,815,560.40/276,485.11 - Step 6: Final answer
x = 130,429.50
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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.