Finding the Fourth Proportional to 192,454.21, 265,578.45 and 105,237.70
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Solution
The fourth proportional to 192,454.21, 265,578.45 and 105,237.70 is: 145,223.45
Step by Step Solution
- Step 1: Write the proportion equation
192,454.21 : 265,578.45 = 105,237.70 : x - Step 2: Convert to fraction form
192,454.21/265,578.45 = 105,237.70/x - Step 3: Cross multiply
192,454.21x = 265,578.45 × 105,237.70 - Step 4: Simplify right side
192,454.21x = 27,948,864,188.98 - Step 5: Solve for x
x = 27,948,864,188.98/192,454.21 - Step 6: Final answer
x = 145,223.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.