Finding the Fourth Proportional to 177,205.36, 265,741.80 and 71,988.88
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Solution
The fourth proportional to 177,205.36, 265,741.80 and 71,988.88 is: 107,956.41
Step by Step Solution
- Step 1: Write the proportion equation
177,205.36 : 265,741.80 = 71,988.88 : x - Step 2: Convert to fraction form
177,205.36/265,741.80 = 71,988.88/x - Step 3: Cross multiply
177,205.36x = 265,741.80 × 71,988.88 - Step 4: Simplify right side
177,205.36x = 19,130,454,551.18 - Step 5: Solve for x
x = 19,130,454,551.18/177,205.36 - Step 6: Final answer
x = 107,956.41
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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.