Finding the Fourth Proportional to 219,415.70, 307,596.70 and 219,415.70
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Solution
The fourth proportional to 219,415.70, 307,596.70 and 219,415.70 is: 307,596.70
Step by Step Solution
- Step 1: Write the proportion equation
219,415.70 : 307,596.70 = 219,415.70 : x - Step 2: Convert to fraction form
219,415.70/307,596.70 = 219,415.70/x - Step 3: Cross multiply
219,415.70x = 307,596.70 × 219,415.70 - Step 4: Simplify right side
219,415.70x = 67,491,545,248.19 - Step 5: Solve for x
x = 67,491,545,248.19/219,415.70 - Step 6: Final answer
x = 307,596.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.