Finding the Fourth Proportional to 676,396.80, 1,014,595.20 and 177,811.20
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Solution
The fourth proportional to 676,396.80, 1,014,595.20 and 177,811.20 is: 266,716.80
Step by Step Solution
- Step 1: Write the proportion equation
676,396.80 : 1,014,595.20 = 177,811.20 : x - Step 2: Convert to fraction form
676,396.80/1,014,595.20 = 177,811.20/x - Step 3: Cross multiply
676,396.80x = 1,014,595.20 × 177,811.20 - Step 4: Simplify right side
676,396.80x = 180,406,390,026.24 - Step 5: Solve for x
x = 180,406,390,026.24/676,396.80 - Step 6: Final answer
x = 266,716.80
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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.