Finding the Fourth Proportional to 214,438.84, 321,252.23 and 143,146.49
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Solution
The fourth proportional to 214,438.84, 321,252.23 and 143,146.49 is: 214,448.69
Step by Step Solution
- Step 1: Write the proportion equation
214,438.84 : 321,252.23 = 143,146.49 : x - Step 2: Convert to fraction form
214,438.84/321,252.23 = 143,146.49/x - Step 3: Cross multiply
214,438.84x = 321,252.23 × 143,146.49 - Step 4: Simplify right side
214,438.84x = 45,986,126,807.18 - Step 5: Solve for x
x = 45,986,126,807.18/214,438.84 - Step 6: Final answer
x = 214,448.69
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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.