Finding the Fourth Proportional to 307,727.60, 461,202.60 and 274,290.80
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Solution
The fourth proportional to 307,727.60, 461,202.60 and 274,290.80 is: 411,089.65
Step by Step Solution
- Step 1: Write the proportion equation
307,727.60 : 461,202.60 = 274,290.80 : x - Step 2: Convert to fraction form
307,727.60/461,202.60 = 274,290.80/x - Step 3: Cross multiply
307,727.60x = 461,202.60 × 274,290.80 - Step 4: Simplify right side
307,727.60x = 126,503,630,116.08 - Step 5: Solve for x
x = 126,503,630,116.08/307,727.60 - Step 6: Final answer
x = 411,089.65
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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.