Finding the Fourth Proportional to 144,420.84, 216,737.68 and 68,519.66
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Solution
The fourth proportional to 144,420.84, 216,737.68 and 68,519.66 is: 102,829.98
Step by Step Solution
- Step 1: Write the proportion equation
144,420.84 : 216,737.68 = 68,519.66 : x - Step 2: Convert to fraction form
144,420.84/216,737.68 = 68,519.66/x - Step 3: Cross multiply
144,420.84x = 216,737.68 × 68,519.66 - Step 4: Simplify right side
144,420.84x = 14,850,792,142.79 - Step 5: Solve for x
x = 14,850,792,142.79/144,420.84 - Step 6: Final answer
x = 102,829.98
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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.