Finding the Fourth Proportional to 161,715.58, 242,599.29 and 68,235.10
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Solution
The fourth proportional to 161,715.58, 242,599.29 and 68,235.10 is: 102,363.59
Step by Step Solution
- Step 1: Write the proportion equation
161,715.58 : 242,599.29 = 68,235.10 : x - Step 2: Convert to fraction form
161,715.58/242,599.29 = 68,235.10/x - Step 3: Cross multiply
161,715.58x = 242,599.29 × 68,235.10 - Step 4: Simplify right side
161,715.58x = 16,553,786,813.08 - Step 5: Solve for x
x = 16,553,786,813.08/161,715.58 - Step 6: Final answer
x = 102,363.59
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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.