Finding the Fourth Proportional to 314,412.20, 471,186.30 and 201,746.60
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Solution
The fourth proportional to 314,412.20, 471,186.30 and 201,746.60 is: 302,342.70
Step by Step Solution
- Step 1: Write the proportion equation
314,412.20 : 471,186.30 = 201,746.60 : x - Step 2: Convert to fraction form
314,412.20/471,186.30 = 201,746.60/x - Step 3: Cross multiply
314,412.20x = 471,186.30 × 201,746.60 - Step 4: Simplify right side
314,412.20x = 95,060,233,991.58 - Step 5: Solve for x
x = 95,060,233,991.58/314,412.20 - Step 6: Final answer
x = 302,342.70
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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.