Finding the Fourth Proportional to 162,992.70, 244,489.05 and 157,087.80
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Solution
The fourth proportional to 162,992.70, 244,489.05 and 157,087.80 is: 235,631.70
Step by Step Solution
- Step 1: Write the proportion equation
162,992.70 : 244,489.05 = 157,087.80 : x - Step 2: Convert to fraction form
162,992.70/244,489.05 = 157,087.80/x - Step 3: Cross multiply
162,992.70x = 244,489.05 × 157,087.80 - Step 4: Simplify right side
162,992.70x = 38,406,246,988.59 - Step 5: Solve for x
x = 38,406,246,988.59/162,992.70 - Step 6: Final answer
x = 235,631.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.