Finding the Fourth Proportional to 124,212.80, 186,319.20 and 104,967.20
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Solution
The fourth proportional to 124,212.80, 186,319.20 and 104,967.20 is: 157,450.80
Step by Step Solution
- Step 1: Write the proportion equation
124,212.80 : 186,319.20 = 104,967.20 : x - Step 2: Convert to fraction form
124,212.80/186,319.20 = 104,967.20/x - Step 3: Cross multiply
124,212.80x = 186,319.20 × 104,967.20 - Step 4: Simplify right side
124,212.80x = 19,557,404,730.24 - Step 5: Solve for x
x = 19,557,404,730.24/124,212.80 - Step 6: Final answer
x = 157,450.80
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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.