Finding the Fourth Proportional to 350,953.93, 484,316.42 and 189,808.98
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Solution
The fourth proportional to 350,953.93, 484,316.42 and 189,808.98 is: 261,936.38
Step by Step Solution
- Step 1: Write the proportion equation
350,953.93 : 484,316.42 = 189,808.98 : x - Step 2: Convert to fraction form
350,953.93/484,316.42 = 189,808.98/x - Step 3: Cross multiply
350,953.93x = 484,316.42 × 189,808.98 - Step 4: Simplify right side
350,953.93x = 91,927,602,912.22 - Step 5: Solve for x
x = 91,927,602,912.22/350,953.93 - Step 6: Final answer
x = 261,936.38
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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.