Finding the Fourth Proportional to 177,780.92, 266,671.62 and 72,599.88
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Solution
The fourth proportional to 177,780.92, 266,671.62 and 72,599.88 is: 108,899.92
Step by Step Solution
- Step 1: Write the proportion equation
177,780.92 : 266,671.62 = 72,599.88 : x - Step 2: Convert to fraction form
177,780.92/266,671.62 = 72,599.88/x - Step 3: Cross multiply
177,780.92x = 266,671.62 × 72,599.88 - Step 4: Simplify right side
177,780.92x = 19,360,327,611.41 - Step 5: Solve for x
x = 19,360,327,611.41/177,780.92 - Step 6: Final answer
x = 108,899.92
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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.