Finding the Fourth Proportional to 163,768.41, 245,638.50 and 99,709.95
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Solution
The fourth proportional to 163,768.41, 245,638.50 and 99,709.95 is: 149,556.33
Step by Step Solution
- Step 1: Write the proportion equation
163,768.41 : 245,638.50 = 99,709.95 : x - Step 2: Convert to fraction form
163,768.41/245,638.50 = 99,709.95/x - Step 3: Cross multiply
163,768.41x = 245,638.50 × 99,709.95 - Step 4: Simplify right side
163,768.41x = 24,492,602,553.08 - Step 5: Solve for x
x = 24,492,602,553.08/163,768.41 - Step 6: Final answer
x = 149,556.33
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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.