Finding the Fourth Proportional to 311,920.21, 430,560.19 and 184,595.50
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Solution
The fourth proportional to 311,920.21, 430,560.19 and 184,595.50 is: 254,807.07
Step by Step Solution
- Step 1: Write the proportion equation
311,920.21 : 430,560.19 = 184,595.50 : x - Step 2: Convert to fraction form
311,920.21/430,560.19 = 184,595.50/x - Step 3: Cross multiply
311,920.21x = 430,560.19 × 184,595.50 - Step 4: Simplify right side
311,920.21x = 79,479,473,553.15 - Step 5: Solve for x
x = 79,479,473,553.15/311,920.21 - Step 6: Final answer
x = 254,807.07
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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.