Finding the Fourth Proportional to 196,931.18, 271,735.52 and 110,877.68
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Solution
The fourth proportional to 196,931.18, 271,735.52 and 110,877.68 is: 152,994.58
Step by Step Solution
- Step 1: Write the proportion equation
196,931.18 : 271,735.52 = 110,877.68 : x - Step 2: Convert to fraction form
196,931.18/271,735.52 = 110,877.68/x - Step 3: Cross multiply
196,931.18x = 271,735.52 × 110,877.68 - Step 4: Simplify right side
196,931.18x = 30,129,404,031.19 - Step 5: Solve for x
x = 30,129,404,031.19/196,931.18 - Step 6: Final answer
x = 152,994.58
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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.