Finding the Fourth Proportional to 130,346.48, 195,657.98 and 115,450.31
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Solution
The fourth proportional to 130,346.48, 195,657.98 and 115,450.31 is: 173,297.92
Step by Step Solution
- Step 1: Write the proportion equation
130,346.48 : 195,657.98 = 115,450.31 : x - Step 2: Convert to fraction form
130,346.48/195,657.98 = 115,450.31/x - Step 3: Cross multiply
130,346.48x = 195,657.98 × 115,450.31 - Step 4: Simplify right side
130,346.48x = 22,588,772,889.43 - Step 5: Solve for x
x = 22,588,772,889.43/130,346.48 - Step 6: Final answer
x = 173,297.92
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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.