Finding the Fourth Proportional to 141,362.80, 212,044.20 and 122,117.20
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Solution
The fourth proportional to 141,362.80, 212,044.20 and 122,117.20 is: 183,175.80
Step by Step Solution
- Step 1: Write the proportion equation
141,362.80 : 212,044.20 = 122,117.20 : x - Step 2: Convert to fraction form
141,362.80/212,044.20 = 122,117.20/x - Step 3: Cross multiply
141,362.80x = 212,044.20 × 122,117.20 - Step 4: Simplify right side
141,362.80x = 25,894,243,980.24 - Step 5: Solve for x
x = 25,894,243,980.24/141,362.80 - Step 6: Final answer
x = 183,175.80
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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.