Finding the Fourth Proportional to 322,069.68, 480,935.70 and 263,022.48
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Solution
The fourth proportional to 322,069.68, 480,935.70 and 263,022.48 is: 392,762.52
Step by Step Solution
- Step 1: Write the proportion equation
322,069.68 : 480,935.70 = 263,022.48 : x - Step 2: Convert to fraction form
322,069.68/480,935.70 = 263,022.48/x - Step 3: Cross multiply
322,069.68x = 480,935.70 × 263,022.48 - Step 4: Simplify right side
322,069.68x = 126,496,900,534.54 - Step 5: Solve for x
x = 126,496,900,534.54/322,069.68 - Step 6: Final answer
x = 392,762.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.