Finding the Fourth Proportional to 163,294.11, 245,035.73 and 68,515.88
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Solution
The fourth proportional to 163,294.11, 245,035.73 and 68,515.88 is: 102,813.49
Step by Step Solution
- Step 1: Write the proportion equation
163,294.11 : 245,035.73 = 68,515.88 : x - Step 2: Convert to fraction form
163,294.11/245,035.73 = 68,515.88/x - Step 3: Cross multiply
163,294.11x = 245,035.73 × 68,515.88 - Step 4: Simplify right side
163,294.11x = 16,788,837,618.50 - Step 5: Solve for x
x = 16,788,837,618.50/163,294.11 - Step 6: Final answer
x = 102,813.49
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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.