Finding the Fourth Proportional to 265,246.86, 397,724.88 and 105,160.62
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Solution
The fourth proportional to 265,246.86, 397,724.88 and 105,160.62 is: 157,683.28
Step by Step Solution
- Step 1: Write the proportion equation
265,246.86 : 397,724.88 = 105,160.62 : x - Step 2: Convert to fraction form
265,246.86/397,724.88 = 105,160.62/x - Step 3: Cross multiply
265,246.86x = 397,724.88 × 105,160.62 - Step 4: Simplify right side
265,246.86x = 41,824,994,970.23 - Step 5: Solve for x
x = 41,824,994,970.23/265,246.86 - Step 6: Final answer
x = 157,683.28
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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.