Finding the Fourth Proportional to 225,318.38, 310,908.38 and 134,655.08
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Solution
The fourth proportional to 225,318.38, 310,908.38 and 134,655.08 is: 185,805.49
Step by Step Solution
- Step 1: Write the proportion equation
225,318.38 : 310,908.38 = 134,655.08 : x - Step 2: Convert to fraction form
225,318.38/310,908.38 = 134,655.08/x - Step 3: Cross multiply
225,318.38x = 310,908.38 × 134,655.08 - Step 4: Simplify right side
225,318.38x = 41,865,390,553.75 - Step 5: Solve for x
x = 41,865,390,553.75/225,318.38 - Step 6: Final answer
x = 185,805.49
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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.