Finding the Fourth Proportional to 227,011.68, 340,471.02 and 84,830.71
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Solution
The fourth proportional to 227,011.68, 340,471.02 and 84,830.71 is: 127,228.68
Step by Step Solution
- Step 1: Write the proportion equation
227,011.68 : 340,471.02 = 84,830.71 : x - Step 2: Convert to fraction form
227,011.68/340,471.02 = 84,830.71/x - Step 3: Cross multiply
227,011.68x = 340,471.02 × 84,830.71 - Step 4: Simplify right side
227,011.68x = 28,882,396,791.40 - Step 5: Solve for x
x = 28,882,396,791.40/227,011.68 - Step 6: Final answer
x = 127,228.68
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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.