Finding the Fourth Proportional to 221,285.44, 305,372.52 and 125,792.14
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Solution
The fourth proportional to 221,285.44, 305,372.52 and 125,792.14 is: 173,592.36
Step by Step Solution
- Step 1: Write the proportion equation
221,285.44 : 305,372.52 = 125,792.14 : x - Step 2: Convert to fraction form
221,285.44/305,372.52 = 125,792.14/x - Step 3: Cross multiply
221,285.44x = 305,372.52 × 125,792.14 - Step 4: Simplify right side
221,285.44x = 38,413,462,420.24 - Step 5: Solve for x
x = 38,413,462,420.24/221,285.44 - Step 6: Final answer
x = 173,592.36
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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.