Finding the Fourth Proportional to 177,316.80, 265,327.20 and 130,660.80
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Solution
The fourth proportional to 177,316.80, 265,327.20 and 130,660.80 is: 195,513.70
Step by Step Solution
- Step 1: Write the proportion equation
177,316.80 : 265,327.20 = 130,660.80 : x - Step 2: Convert to fraction form
177,316.80/265,327.20 = 130,660.80/x - Step 3: Cross multiply
177,316.80x = 265,327.20 × 130,660.80 - Step 4: Simplify right side
177,316.80x = 34,667,864,213.76 - Step 5: Solve for x
x = 34,667,864,213.76/177,316.80 - Step 6: Final answer
x = 195,513.70
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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.