Finding the Fourth Proportional to 516,950.64, 713,391.84 and 290,596.14
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Solution
The fourth proportional to 516,950.64, 713,391.84 and 290,596.14 is: 401,022.65
Step by Step Solution
- Step 1: Write the proportion equation
516,950.64 : 713,391.84 = 290,596.14 : x - Step 2: Convert to fraction form
516,950.64/713,391.84 = 290,596.14/x - Step 3: Cross multiply
516,950.64x = 713,391.84 × 290,596.14 - Step 4: Simplify right side
516,950.64x = 207,308,915,011.50 - Step 5: Solve for x
x = 207,308,915,011.50/516,950.64 - Step 6: Final answer
x = 401,022.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.