Finding the Fourth Proportional to 276,406.94, 414,564.26 and 76,747.51
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Solution
The fourth proportional to 276,406.94, 414,564.26 and 76,747.51 is: 115,108.45
Step by Step Solution
- Step 1: Write the proportion equation
276,406.94 : 414,564.26 = 76,747.51 : x - Step 2: Convert to fraction form
276,406.94/414,564.26 = 76,747.51/x - Step 3: Cross multiply
276,406.94x = 414,564.26 × 76,747.51 - Step 4: Simplify right side
276,406.94x = 31,816,772,924.24 - Step 5: Solve for x
x = 31,816,772,924.24/276,406.94 - Step 6: Final answer
x = 115,108.45
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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.