Finding the Fourth Proportional to 157,649.10, 236,473.65 and 73,409.10
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Solution
The fourth proportional to 157,649.10, 236,473.65 and 73,409.10 is: 110,113.65
Step by Step Solution
- Step 1: Write the proportion equation
157,649.10 : 236,473.65 = 73,409.10 : x - Step 2: Convert to fraction form
157,649.10/236,473.65 = 73,409.10/x - Step 3: Cross multiply
157,649.10x = 236,473.65 × 73,409.10 - Step 4: Simplify right side
157,649.10x = 17,359,317,820.22 - Step 5: Solve for x
x = 17,359,317,820.22/157,649.10 - Step 6: Final answer
x = 110,113.65
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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.