Finding the Fourth Proportional to 157,480.20, 236,220.30 and 154,855.80
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Solution
The fourth proportional to 157,480.20, 236,220.30 and 154,855.80 is: 232,283.70
Step by Step Solution
- Step 1: Write the proportion equation
157,480.20 : 236,220.30 = 154,855.80 : x - Step 2: Convert to fraction form
157,480.20/236,220.30 = 154,855.80/x - Step 3: Cross multiply
157,480.20x = 236,220.30 × 154,855.80 - Step 4: Simplify right side
157,480.20x = 36,580,083,532.74 - Step 5: Solve for x
x = 36,580,083,532.74/157,480.20 - Step 6: Final answer
x = 232,283.70
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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.