Finding the Fourth Proportional to 185,123.63, 255,471.84 and 100,240.70
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Solution
The fourth proportional to 185,123.63, 255,471.84 and 100,240.70 is: 138,332.82
Step by Step Solution
- Step 1: Write the proportion equation
185,123.63 : 255,471.84 = 100,240.70 : x - Step 2: Convert to fraction form
185,123.63/255,471.84 = 100,240.70/x - Step 3: Cross multiply
185,123.63x = 255,471.84 × 100,240.70 - Step 4: Simplify right side
185,123.63x = 25,608,674,794.53 - Step 5: Solve for x
x = 25,608,674,794.53/185,123.63 - Step 6: Final answer
x = 138,332.82
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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.