Finding the Fourth Proportional to 350,927.05, 484,280.79 and 189,782.10
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Solution
The fourth proportional to 350,927.05, 484,280.79 and 189,782.10 is: 261,900.09
Step by Step Solution
- Step 1: Write the proportion equation
350,927.05 : 484,280.79 = 189,782.10 : x - Step 2: Convert to fraction form
350,927.05/484,280.79 = 189,782.10/x - Step 3: Cross multiply
350,927.05x = 484,280.79 × 189,782.10 - Step 4: Simplify right side
350,927.05x = 91,907,825,552.08 - Step 5: Solve for x
x = 91,907,825,552.08/350,927.05 - Step 6: Final answer
x = 261,900.09
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1.5x scale
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.