Finding the Fourth Proportional to 173,639.30, 260,545.35 and 68,461.70
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Solution
The fourth proportional to 173,639.30, 260,545.35 and 68,461.70 is: 102,726.62
Step by Step Solution
- Step 1: Write the proportion equation
173,639.30 : 260,545.35 = 68,461.70 : x - Step 2: Convert to fraction form
173,639.30/260,545.35 = 68,461.70/x - Step 3: Cross multiply
173,639.30x = 260,545.35 × 68,461.70 - Step 4: Simplify right side
173,639.30x = 17,837,377,588.10 - Step 5: Solve for x
x = 17,837,377,588.10/173,639.30 - Step 6: Final answer
x = 102,726.62
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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.