Finding the Fourth Proportional to 276,106.34, 380,804.55 and 185,434.94
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Solution
The fourth proportional to 276,106.34, 380,804.55 and 185,434.94 is: 255,750.99
Step by Step Solution
- Step 1: Write the proportion equation
276,106.34 : 380,804.55 = 185,434.94 : x - Step 2: Convert to fraction form
276,106.34/380,804.55 = 185,434.94/x - Step 3: Cross multiply
276,106.34x = 380,804.55 × 185,434.94 - Step 4: Simplify right side
276,106.34x = 70,614,468,880.98 - Step 5: Solve for x
x = 70,614,468,880.98/276,106.34 - Step 6: Final answer
x = 255,750.99
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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.