Finding the Fourth Proportional to 314,134.80, 471,202.20 and 308,950.80
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Solution
The fourth proportional to 314,134.80, 471,202.20 and 308,950.80 is: 463,426.20
Step by Step Solution
- Step 1: Write the proportion equation
314,134.80 : 471,202.20 = 308,950.80 : x - Step 2: Convert to fraction form
314,134.80/471,202.20 = 308,950.80/x - Step 3: Cross multiply
314,134.80x = 471,202.20 × 308,950.80 - Step 4: Simplify right side
314,134.80x = 145,578,296,651.76 - Step 5: Solve for x
x = 145,578,296,651.76/314,134.80 - Step 6: Final answer
x = 463,426.20
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1.5x scale
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.