Finding the Fourth Proportional to 177,219.96, 244,569.68 and 100,742.26
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Solution
The fourth proportional to 177,219.96, 244,569.68 and 100,742.26 is: 139,027.81
Step by Step Solution
- Step 1: Write the proportion equation
177,219.96 : 244,569.68 = 100,742.26 : x - Step 2: Convert to fraction form
177,219.96/244,569.68 = 100,742.26/x - Step 3: Cross multiply
177,219.96x = 244,569.68 × 100,742.26 - Step 4: Simplify right side
177,219.96x = 24,638,502,290.68 - Step 5: Solve for x
x = 24,638,502,290.68/177,219.96 - Step 6: Final answer
x = 139,027.81
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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.