Finding the Fourth Proportional to 157,466.10, 236,272.05 and 82,670.70
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Solution
The fourth proportional to 157,466.10, 236,272.05 and 82,670.70 is: 124,044.32
Step by Step Solution
- Step 1: Write the proportion equation
157,466.10 : 236,272.05 = 82,670.70 : x - Step 2: Convert to fraction form
157,466.10/236,272.05 = 82,670.70/x - Step 3: Cross multiply
157,466.10x = 236,272.05 × 82,670.70 - Step 4: Simplify right side
157,466.10x = 19,532,775,763.94 - Step 5: Solve for x
x = 19,532,775,763.94/157,466.10 - Step 6: Final answer
x = 124,044.32
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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.