Finding the Fourth Proportional to 164,811.16, 247,044.36 and 76,122.84
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Solution
The fourth proportional to 164,811.16, 247,044.36 and 76,122.84 is: 114,104.64
Step by Step Solution
- Step 1: Write the proportion equation
164,811.16 : 247,044.36 = 76,122.84 : x - Step 2: Convert to fraction form
164,811.16/247,044.36 = 76,122.84/x - Step 3: Cross multiply
164,811.16x = 247,044.36 × 76,122.84 - Step 4: Simplify right side
164,811.16x = 18,805,718,289.18 - Step 5: Solve for x
x = 18,805,718,289.18/164,811.16 - Step 6: Final answer
x = 114,104.64
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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.